If you encounter a "Setup Failed" error during installation:
The 2019 version is binary-compatible with the 2015 and 2017 versions. This means if a program asks for the 2015 version, the 2019 version will usually satisfy that requirement perfectly.
Always download directly from the official Microsoft Support website or the Visual Studio downloads page. Avoid third-party "driver update" sites.
It installs the C Runtime (CRT), Standard C++, and MFC (Microsoft Foundation Class) libraries.
Many modern programs use a mix of 32-bit and 64-bit processes. Having both installed ensures that every component of your software has the libraries it needs to execute commands. Key Features of the 2019 Redistributable