**Visual Studio 2019 Professional** is an integrated development environment (IDE) from Microsoft designed for creating various types of applications. It provides developers with a wide array of tools and features for writing, testing, and debugging code.

**Key Features of the Product:**
- Support for multiple programming languages, including C#, Visual Basic .NET, Python, and others.

- Integrated tools for working with databases, web development, machine learning, and other areas.

- The ability to create projects for Windows, macOS, Linux, and other platforms.

- Debugging and testing code using built-in tools.

- Code refactoring to improve its structure and readability.

- Version control management through integration with Git and other version control systems.

- User-friendly interface for ease of use.

The software can be beneficial for both beginner developers and experienced professionals. Visual Studio 2019 Professional offers a comprehensive set of features for efficient project management, making the development process more effective and convenient.

- Download the software from the official website - https://visualstudio.microsoft.com/vs/older-downloads/

- Activate it as follows: Go to the main window of the program => "Menu" => "Help" => "Register Product" => "Unlock with Product Key"

- Enter the key and follow the instructions.