Point-of-Sale-Desktop-Csharp is a billing and inventory management system designed as a simple desktop application for the Microsoft platform. Built using C and MS SQL Server 2016, it leverages Windows Forms and follows a 3-tier architecture. The software facilitates efficient transaction processing, billing generation, and real-time inventory tracking for retail and service environments. Key features include comprehensive data management within a secure SQL Server 2016 database and an intuitive user interface developed in Visual Studio 2017. The source code is available via Git version control, requiring users to set up the database using provided SQL scripts or backup files before running the solution in Visual Studio. Currently, the project is in an initial state maintained by Bilal Mehrban and does not accept external contributions. It serves as a foundational example for developers looking to understand desktop application development using the .NET framework or for small businesses needing a self-hosted