The "2019" version also covers Visual Studio 2015 and 2017. Microsoft unified the version numbers. So if you install the 2019 package, you generally do not need the separate 2015 or 2017 packages (though many installers still install them for legacy reasons).
If you are trying to launch a game or software on Windows and received an error message saying something like "The code execution cannot proceed because VCRUNTIME140.dll was not found" or "MSVCP140.dll is missing," you are in the right place. 2019 c++ redistributable
The latest version (2022) supports all applications built from 2015 through 2022. But if you have an old game or enterprise software from late 2019 or early 2020, it may specifically look for the "2019" redistributable in the registry. If it doesn't find it, you'll get an error. The "2019" version also covers Visual Studio 2015 and 2017