Create custom paypal checkout page jobs

fixed price, not for profit, We work in real time via screen share. - Predefined donation amounts: I'd like to provide a few fixed donation options for the convenience of the donors. - Custom donation amount entry: There should be a field where donors can manually input their desired donation amount. - Recurring donation option: I want donors to be able to make monthly donations, in addition to one-time donations. The captcha system I prefer is image-based. It should be user-friendly yet effective in preventing spam and bot activity. or recaptcha3 As for the payment gateway, I am specifically looking for Moneris integration. It's crucial that the forms and transactions are secure and reliable. Ideal skills and experience: - Proficiency in web development, particula...

...and online presence through the webpage. - Design and implementation of an OGP markup template and a custom teaser component. This requires overlaying the core component using a data layer. You are expected to create a captivating and innovative teaser component that drives user engagement and interest in our content. Ideal candidates for this project should have: - Extensive experience in web development, particularly in URL shortening, SEO optimization, and creating engaging webpages. - Strong knowledge of SEO best practices and how they can be effectively implemented. Familiarity with current trends and tools in SEO will be a plus. - Experience in creating OGP markup templates and custom teaser components. - Excellent problem-solving and communication skills, a...

Hi there My name is Brandy Fiadzomor, and I'm a 17-year-old boy from Ghana. I'm writing to you today with a big dream and an even bigger hope. Since I was young, I've always wanted to be independent and help my family. My mom is a single parent, raising both me and my younger sister. Seeing her struggle to provide for everything is incredibly difficult. I know I'm the elder one, and I can't bear to watch her carry this burden alone. That's why I'm so passionate about starting my own e-commerce business. It's a chance for me to contribute financially and ease some of the pressure on my mom. However, my biggest hurdle right now is creating a website. I've tried building one myself, but with limited resources and knowledge, it just hasn't wo...

As an experienced backend AEM developer, I am seeking a professional who can create custom AEM components for my website. The primary goal of the custom AEM component is to address certain individual tasks listed from basic to advanced level. Key responsibilities include: - Understanding the requirements and objectives of the individual tasks - Creating, customizing, and implementing AEM components effectively - Ensuring the component works seamlessly within the AEM environment - Testing the component thoroughly to ensure it meets the specified requirements Ideal skills and experience for this job involve: - Proven experience in backend development, specifically AEM - Extensive expertise in custom AEM component development - Strong understanding of the late...

I need a freelancer experienced in Laravel, Tailwind CSS and Vue.js to develop a clean, minimalist 'Policy' page for my existing webapp. Key Aspects: - Structure the provided content using clear text formatting (headings, bullet points etc). - Incorporate a Header and Footer that link to other pages across the webapp. - Establish a dedicated 'Terms and Conditions' section. - Please note: this task only involves frontend duties. No backend PHP Laravel work is needed. The ideal freelancer would have considerable experience in web page creation, with a portfolio showcasing similar work. Proficiency in Tailwind CSS and Vue.js is essential, as is a keen aesthetic eye for clean and minimalist design.

I'm seeking a proficient web developer to create a charity website that targets donations for old age people. The primary goal of the website is to serve as a platform for accepting financial contributions to support the elderly. Key Project Requirements: - Payment Gateway Integration: The website must support multiple payment methods, including Credit/Debit Cards, PayPal, Bank Transfer and Upi. It should ensure a secure and hassle-free donation process. - User Information Collection: During the donation process, the website should collect the donor's Full Name, Email Address, and Mailing Address. This data is crucial for maintaining donor records and sending acknowledgments. The ideal candidate should have: - Proficiency in web development, with a proven track r...

I am in need of a competent and creative Figma/HTML designer to create a detail page for a crypto token. The page should distinctly display various key features of the token. These include: - Token price - Market cap - Total supply Expertise in Figma, HTML, and a comprehensive understanding of financial or cryptocurrency terms is required for this project. A strong portfolio of previously worked on detail pages will be an added advantage. Applicants should possess the ability to integrate all these details into a cohesive and engaging design that caters to crypto audiences.

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I have a simple one page website at that has three bugs: 1) The footer's color is not working. The CSS attempts to set the footer color, but it shows up as white all the time. Could be a html tag issue or a css issue. 2) The Dark Mode / Light Mode selector in the footer mostly works, but the CSS based animation of the toggle switch no longer works. This stopped working the same time bug number one appeared, so they are probably the same bug. 3) Clicking the Dark Mode / Light Mode selector does not always update the cat gif image. Sometimes it works, sometimes it doesn't work. Probably a JS issue. I would like to get these three bugs fixed now. Please only bid if you can fix these right now.

...Shopify websites, with everything almost done except for the homepage section. I'm looking for a Shopify Designer Freelancer who can help me implement a unique and eye-catching design on the homepage. Key Requirements: - Design Implementation: The primary task is to design and implement a visually appealing and user-friendly design on the homepage. - Creative Design: I'm seeking someone who can create a custom hero image and integrate a prominent call to action button without compromising on the overall site design. - Shopify Expertise: Proficiency in Shopify platform is crucial. I need someone who can seamlessly integrate these design elements and ensure they work well with the rest of the site. Ideal Candidate: - Shopify Design Experience: Previous experienc...

I have a small business and am seeking a skilled web designer to create a simple landing page for me. I've chosen a color scheme (blue and white) and know exactly what I want on the page. The main function of this landing page is to display my business information. It should be clean, simple, and easy to navigate. I'm looking for a design that's professional and has a modern touch. I'd like the landing page to include: - A brief description of my business - Just use random text I will update it - A color scheme that's mainly blue and white I really appreciate a freelancer who has experience working with Wordpress and is skilled in creating effective, eye-catching landing pages. A good eye for design and attention to detail are...

Next piece: a book a demo page, with the Calendly link, but also a form and a vidoe demo included. Let's do a mock-up forst, then I can prvide the links/

Looking for someone to create an asset that would allow for quick planet creation with ease, similar to Orbis () but will allow custom terrains, GameObjects to be placed and able to customise the world, environment, atmosphere and allow multiple placements of planets. Must also be able to be seamless similar to No Man Sky.

In this project, I'm looking for someone knowledgeable in website security to guide me and others through hacking a basic blog. This is purely for educa...knowledgeable in website security to guide me and others through hacking a basic blog. This is purely for educational purposes, aimed at raising awareness about potential security vulnerabilities that can be mitigated. Here's what you need: - Extensive knowledge of website vulnerabilities and how to exploit them ethically. - A clear understanding of blogging platforms - WordPress, Blogger, Tumblr, or custom-built sites. - The ability to develop a simple website for demonstration. - Excellent communication skills to explain complex techniques simply. Remember, this is not for malicious intent, but to educate on enha...

I'm seeking a talented graphic designer to create a vector image of a perfume bottle. The design needs to be vintage-themed, capturing the essence of the original image.. The final design must also incorporate the brand name. The ideal freelancer will have: - Proficiency in vector image creation - Expertise in design Attention to detail is crucial for this project, in order to maintain the accuracy and beauty of the original design while adding the necessary branding elements. This graphic will be used on product packaging, so quality and impact are vital. The file is required in an AI file and layered PSD file. I need two versions, one like a line drawing version and the other a more of a block version with some details. I have attached examples.

I'm seeking a talented graphic designer to create a vector image of a perfume bottle. The design needs to be vintage-themed, capturing the essence of the original image.. The final design must also incorporate the brand name. The ideal freelancer will have: - Proficiency in vector image creation - Expertise in design Attention to detail is crucial for this project, in order to maintain the accuracy and beauty of the original design while adding the necessary branding elements. This graphic will be used on product packaging, so quality and impact are vital. The file is required in an AI file and layered PSD file.

I'm looking for a talented coder proficient in C# to develop a custom Volume indicator on the NinjaTrader platform. Key requirements and details: - Proficient in C#: You should have a strong understanding of C# language. - NinjaTrader platform: Prior experience working with NinjaTrader is highly preferred. - Indicator type: The focus will be on creating a Volume indicator for the platform. Your role in this project will be to convert the volume indicator to the NinjaTrader platform using C#. If you have prior experience in similar indicator development and are comfortable with C# and the NinjaTrader platform, I would love to hear from you.

...looking for a skilled WordPress developer to help me with a custom theme design. Key Requirements: - Custom Theme Design: My site needs an elegant and sophisticated look. I want a design that's clean, modern, and user-friendly. - E-commerce Capabilities: The theme should include e-commerce capabilities. I'd like to seamlessly integrate online shopping features into the design. Ideal Skills and Experience: - Prior experience in custom theme design, particularly with an elegant and sophisticated approach. - Strong understanding of e-commerce functionalities and how to incorporate them seamlessly into a WordPress site. - Knowledge of UX/UI best practices to ensure the site is user-friendly. - A portfolio that demonstrates your ability to create visua...

...developer to assist with the development of a complex application. Key tasks include frontend development, custom animations, and state management. Specific requirements involve integration with various external services and APIs, including social media, payment gateways, and custom backend services. Ideal Skills: - Proficiency in Angular - Extensive experience in building complex applications - Expertise in custom animations and state management - Proven track record in integrating various external services and APIs Experience: - At least 2 years of Angular development - Experience working on projects with similar complexity - Prior work involving social media APIs, payment gateways, and custom backend services would be a plus This project is best suited ...

...various clients. - Handle API integrations and effectively connect various systems to HubSpot using tools like Zapier and Make .com. - Optimize HubSpot objects and automate processes, including form submissions that trigger deal creations and associate contacts. - Develop and manage workflows and lifecycle drip email campaigns tailored to different client needs. - Oversee the creation and analysis of custom reports for diverse clients. - Manage sales pipeline visualization and adjustments for various projects. - Train team members on advanced HubSpot functionalities for a range of scenarios. - Ensure seamless data synchronization across connected applications for all clients. - Configure and manage HubSpot chatbots as per client requirements. - Implement SEO strategies within the...

I am looking for a skilled Woocommerce expert to help me set up a courses page on my website. I need this page to function correctly and look good, without interfering with the rest of my site. Your main tasks would be: - Setting up the courses page: ensuring the page is correctly integrated with the rest of my website, but also separate, as per my requirements. Your experience with Woocommerce and setting up similar pages will be crucial for this project. The ability to translate my design preferences into a functional and visually appealing courses page will be highly valued.

I need to display the data from my ACF (Advanced Custom Fields) custom fields on the category page of my website. you need to be good on php wordpress because it's not sio simple

I'm looking for an experienced iOS developer to create a straightforward app for me. There will be several simple features that need to be implemented: - Manual Signal Updating: The app should allow me to manually update the signals for 7 fx pairs, Bitcoin and the SPY. - Signal Icons Display: The app should have different icons (e.g., arrow up, arrow down) for each type of signal (buy, sell, NA). - Custom Photo Integration: I have some photos I'd like to incorporate into the app, either as decoration or background. Your role will be primarily focused on the development and implementation of these features. The design of the app should be minimalistic, with the photos I provide integrated seamlessly. Ideal skills for this project include: - Proficiency in iOS de...

I'm looking to set up an online store where I can sell unique physical goods. I will not need to manage inventory as each item is distinct. The website should be equipped to handle credit card and PayPal transactions. Key requirements: - Develop an e-commerce website that can handle unique, physical products. - Implement a user-friendly interface for easy browsing and purchase. - Ensure secure payment gateways for credit card and PayPal transactions. Ideal skills for this project include: - Proficiency in e-commerce website development. - Experience with unique inventory management systems. - Knowledge of secure payment gateway integration.

I'm in need of an experienced architect/designer who can assist me with Revit drawings for a custom Passive House home (with the possibility of more projects in future). The ideal candidate for this project should have a strong proficiency in Revit software and have a proven track record in architectural drafting. Key details: - You’ll be responsible for creating a full drawing set suitable to apply for a building permit in Ontario (stamp provided by others). - Work will include detailing shop drawings for proprietary Passive House assemblies (samples will be provided). - I'll provide you with concept drawings and CAD files for a similar completed drawing set as the base for your work. - The project demands exceptional attention to detail and precision. - Work to b...

I need a database where we can store our sales transactions. The database will be manually updated by our staff. I would also like to have reports generated on our sales. Key Requirements: - Develop a database to store sales transactions - Enable manual data entry by staff - Implement a report...transactions. The database will be manually updated by our staff. I would also like to have reports generated on our sales. Key Requirements: - Develop a database to store sales transactions - Enable manual data entry by staff - Implement a reporting system that can generate sales reports Ideal Skills: - Proficiency in database development - Experience with manual data input systems - Ability to create custom reporting features Please provide examples of previous similar projects ...

...event-ready coffee trolley with a built-in coffee machine, and the capacity for custom branding to fit my business aesthetic. Key requirements: - An integrated coffee machine that can handle high volumes and deliver quality drinks - Aesthetic design that complements an event space (e.g. sleek, elegant) - Capable of accommodating custom branding elements Ideal skills for this project: - Experience in the design and fabrication of mobile food service units - Proficiency in custom branding implementation - Knowledge of effective and efficient coffee machine integration - Understanding of event space setups and flow to ensure the trolley is both practical and attractive. If you have experience in creating custom event coffee trolleys, please share your por...

Are you passionate about crafting exceptional ecommerce platforms using GO lang and React JS/Next JS? Project Description: We are in need of an expert developer to create a dynamic ecommerce platform focusing on digital goods and services. The project entails building three main sectors: Front-end Development: Implement user authentication, service listing, and seamless communication with the backend via API. Supplier Backend: Develop functionalities for suppliers to manage products, process orders, and handle cancellations efficiently. Admin Backend: Construct a robust admin panel to oversee order processing, site settings, and overall platform management. System Overview: Showcase popular services through a slider on the front end, adjustable by the admin. ...

I require a professional freelancer with expertise in graphic design to create a custom label for my candles. The design should reflect a modern aesthetic. The key elements to include in the design are: - A unique logo that effectively represents the brand - Detailed product information - Artistic illustrations that enhance the overall aesthetics of the label - An inspiring affirmation to engage the end customer The ideal freelancer for this task will have a strong portfolio showcasing their ability to combine these elements into a coherent and visually compelling label design. A background in packaging design or prior experience in creating candle labels will be considered a major advantage. A keen attention to detail and a creative flair are essential for success in this...

I'm on the hunt for a proficient developer to create a minimalistic single-page landing page for my website. The core objective of this webpage is to generate leads. Key elements to be integrated include: - A contact form - A well-placed call-to-action button - Display of customer testimonials - Detailed description of services offered - A showcase of past successful projects Your background in UX/UI would be a huge plus, as a clean, professional, and minimalistic design is essential. Furthermore, your strong experience with and understanding of lead generation strategies will be crucial for this project.

...need few customizations done for Perfex CRM and Custom Module Development for Perfex CRM. If you have experience in creating custom modules or customizing core of Perfex CRM, then you'll easily understand requirements. I have a detailed list of features I need developed, I'll share that document with those who are shortlisted for this project. You must mention "Dell" in the proposal in order to be noticed. Here is a brief for List of Features. 1. Invoice Currency Conversion using API and storing conversion rate in the database with date 2. Storing invoice value in base currency that is calculated based on conversion rate in the database so the total revenue is correct. 3. Invoice Custom Field Behavior changing, width of dropdown, custom...

I want you create similar logo , to the attached one . More modern and clean Design: Combine the runes Fehu and Sowilo in a stylized lighthouse design. could be designed so that the structure itself takes the shape of the Fehu rune, while the light of the lhouse represents the Sowilo rune. • Colors: Use blue and gray tones for the lighthouse to symbolize professionalism and trust, with a bold yellow or gold for the light, radiating warmth and success. • Font: Choose a modern, clear font for the company name, placed below or beside the company

I'm seeking a skilled data visualisation professional to create a Power BI dashboard. The dashboard should be capable of pulling metrics, specifically likes, impressions, etc, clicks, from Facebook and Google APIs. Key requirements include: - Be able to adjust the timeframe of pulled data, with options including (but not limited to) the last 7 days, last 30 days, as well as custom date ranges. - Please note, though, that there's a need for detailed breakdowns by geographic location, age group, or gender. Ideal skills for this task involve proficiency in Power BI, data visualisation, as well as experience working with Facebook and Google's APIs. Your ability to deliver a user-friendly and functional dashboard that meets the specified requirements will be grea...

...looking for a skilled web developer who can help me with customizing the Motors Theme in a way that will enhance the user's experience, particularly with the payment process. Your main tasks will include updating the Payments page and journeys. The specific focus of the payment changes should be to simplify the checkout process. Key tasks: - Update the payment process steps to simplify the checkout process Ideal skills: - Proficient in working with Wordpress themes, particularly Motors Theme by Stylemix - Experience in customizing payment gateways and checkout processes - Able to enhance user experience through design and functionality This project is perfect for you if you have a knack for web development and are keen on improving user experiences...

I am looking for a skilled designer who can help me make some edits to a design for a client. - I need the wings in the logo changed to flames and the wording of the subtitle to be edited to say Emergency Services. - The design should look cohesive and professional even after these changes. - The flames should be fully integrated into the main logo, not just as a decorative border or background element. This job requires someone with: - Proficiency in graphic design, especially in creating and editing logos - Experience in typography and layout design - The ability to understand and work with visual elements in a design. If you have these skills, please submit your bid.

...existing landing page to a thank you page. This is crucial, as it will allow me to effectively track conversions through Google Ads and Google Analytics. The key tasks and features for the job include: - Replicating the text content and images from the original landing page. - Incorporating a specific, pre-defined thank you message. - Ensuring that the look and layout of the thank you page mirrors that of the original landing page. The ideal candidate for this project should have: - Proficiency in web development, with previous experience in duplicating and repurposing landing pages. - A solid understanding of Google Ads and Google Analytics, to ensure that the tracking features are implemented correctly. - A good eye for design and layout, in order ...

I require an experienced TradingView developer to update an existing indicator. The task involves adding multiple lines to the indicator in a specific manner. These lines should be plotted above or below the existing lines. Ideal candidates for this project should h...to update an existing indicator. The task involves adding multiple lines to the indicator in a specific manner. These lines should be plotted above or below the existing lines. Ideal candidates for this project should have: - Strong experience in TradingView indicator development - Proficiency in Pine Script - A keen eye for detail to ensure accurate line placement - Previous experience with custom line plotting in TradingView Please include your previous work and any experience related to this project in your...

I'm in need of a talented Wordpress developer who can transform a Figma design into a fully functional single-page website. The theme must include an interactive menu, and the fidelity to the original design is crucial. Key Requirements: - Focus on implementing an interactive menu as a central piece of the design - Need for a Wordpress theme that matches the Figma design exactly - Experience in integrating Contact Form plugins in Wordpress

We are seeking a skilled and experienced java developer to create a custom JMeter backend listener that can send real-time test results directly to a PostgreSQL database. This project aims to enhance our testing capabilities by enabling seamless integration of JMeter results into our PostgreSQL environment, similar to existing solutions for MySQL like the one found at "" Requirements: Proven experience with Java programming and JMeter test development. Strong knowledge of PostgreSQL and experience in integrating it with Java applications. Familiarity with the JMeter API and backend listener framework

I'm in need of a skilled professional to help me generate a comprehensive data set of manufacture part numbers instead of custom part numbers based on resell companies. The primary goal of this project is to accurately identify the sources of the products and their usage, which is in this case finding proper part numbers from the manufacturers. Key Responsibilities: - Conduct a reverse image search on a set of photographs and collect relevant details - Accurately identify the sources and usage of the component - Deliver a comprehensive data set containing the part numbers obtained I'm looking for a freelancer who has: - Proficiency in reverse image searching - Experience in data collection and management - Keen attention to detail - Ability to deliver accurate and high...

I own an accounting office and I am looking for a professional, multi-page website to showcase our key services. The primary services that I'd like to highlight are tax preparation and financial consulting. Key Project Details: - Website Type: Multi-page website - Key Services to Highlight: Tax preparation, Financial consulting - Design Preferences: Corporate The ideal freelancer for this project would have experience in: - Designing and developing corporate, multi-page websites - Understanding of the accounting industry - Incorporating professional, corporate design elements - Excellent communication skills to understand and translate our services into a visually appealing website. Please provide samples of your previous work in a similar domain.

I'm seeking a seasoned Laravel web developer with PayPal integration experience to rectify issues on my website https://sharedkitchen.network. Following the recent migration of my site to a new server by the hosting company, the PayPal integration is malfunctioning for one time purchases as well as subscription payments. Specific Issues: - Hosting company investigated and blamed issues on paypal module - PayPal investigated and is blaming issues on URL redirect. - Customers are struggling with 'failed to authenticate' issues while processing payments for one time purchases as well a subscription payment setups - I'm receiving an error code from vendor/swiftmailer/swiftmailer/lib/classes/swift/transport/esmtp/authhandler.php. I am therefore ...

E-Commerce Site Development with PayPal and Stripe Integration I'm looking for a skilled web developer to create an e-commerce website for my business. Here are the key details: - **Purpose of the Site**: The main goal of this project is to establish an online platform for selling our products. It should be user-friendly, look professional and inspire confidence in potential customers. - **Integration with Payment Gateways**: I'll need the site to be integrated with PayPal and Stripe. This will require the implementation of these payment gateways' APIs to ensure smooth and secure transactions. - **Product Range**: Initially, we plan to list less than 50 products on the site. It's essential that the site is designed to allow easy updates and add...

I'm seeking an expert data analyst specializing in financial data analysis for real estate development projects. The focus will be on the financial aspects of our upcoming construction project, specifically concerning future projections for the next 10 years. Candidates should be competent in: - Creating custom excel/ google sheet template - Forecasting Capital Expenditure - Predicting Cash Flow - Delivering revenue Projections Your role will involve analyzing, interpreting, and providing insights on these aspects. Proficiency in financial modeling and forecasting is a must. Knowledge about the construction sector will be highly regarded, and prior experience in real estate development is a bonus. To make informed decisions, we're relying on accurate and in-depth anal...

We are seeking a highly skilled PCB designer to develop a custom board featuring the RP2040 microchip to control multiple DC motors and MOSFETs, with integrated voltage regulation. This project requires expertise in high-power applications, voltage regulation, and serial communications. Project Requirements: Microcontroller: RP2040 chip to manage all operations. Power Handling: Board must handle input of 24V. Voltage Regulation: Conversion of 24V input to 12V and 5V outputs. MOSFETs: 5 MOSFETs for 24V, 7A control. 4 MOSFETs for 12V, 5A control. Communication: USB Type-C for robust serial communication. Inputs and Outputs: 2 analog inputs. 1 One Wire communication interface. Additional pins for digital input/output as required. Deliverables: Complete PCB design files ready for man...

I'm seeking an experienced professional who can transform a detailed drawing of a particular part into a manufacturing-ready sheetmetal design. The ideal candidate for this project should be well-versed in sheetmetal work and CAD software.

I'm in need of a top-notch landing page for my website, 3sigmacrm.com. The primary purpose of this page is to capture leads and I'm looking to get it completed as soon as possible. Key Elements: - **Lead Capture Form**: The landing page should contain a form that captures the visitor's information. It should include fields for full name and phone number. These fields are essential for qualifying leads and initiating follow-ups. - **Design and Layout**: Aesthetically pleasing design that is in line with the branding of 3sigmacrm.com. The landing page should be visually engaging and easy to navigate, with a clear call-to-action. - **Responsive**: The landing page should be responsive and optimized for various devices, including desktop, ta...

The purpose of this project is to write Visual Basic .NET code that interacts with the PayPal API to generate payments What I need: that will: - Obtain the access_token using OAuth2. - Create a payment. - Execute the payment. will: - Retrieve the response triggered by PayPal and process it accordingly by determining if the payment was successful or not. - If the payment wasn't successful, display a message saying that no payment was made. - If the payment was successful, display the details of the operation returned by PayPal. If you want to participate to this project please copy/paste this sentence in your bid "I have been working with PayPal API and I have got proficiency in Visual Basic .NET"

I'm seeking an experienced developer who can create a custom live-streaming platform for our events. I want integration with Streamyard and a scale of more than 500 user profiles. Key Features: • Live chat functionality: This includes user reactions, replies, and moderator assist features. The system needs to handle up to 10,000 participants. • User profiles: Creation of user profiles is essential. Robust privacy and security for users should be ensured. • StreamYard Integration: User comments should display on StreamYard. Event hosts comments should post to the platform. • Video replay with live chat: Users should be able to replay video streams while maintaining active chat features. Ideal freelancer will have: • Experience with live stream...

I am in need of an expert with profound skills in Moodle to upgrade my current Moodle from version 3.1 to version 4.4. The project involves dealing with a current installation that has custom themes and plugins. Key Requirements: - Experience with upgrading different Moodle versions, preferably to the latest Moodle version 4.4. - Knowledge in managing and testing custom themes and plugins during the upgrade. - Familiarity with latest Moodle features would be beneficial to ensure smooth transition. Kindly note that while upgrading, all functionalities and customizations should be preserved. Since no specific new features or functionalities were requested, the focus should be on a smooth upgrade process, maintaining the integrity of the current system. Also, the total number...