Finding version of Microsoft C++ compiler from command-line (for makefiles)
Go to Tools - Command Line - Developer Command Prompt, type cl.exe, the result will be:
**********************************************************************
** Visual Studio 2019 Developer Command Prompt v16.11.5
** Copyright (c) 2021 Microsoft Corporation
**********************************************************************
C:\Users\xxx>cl.exe
Microsoft (R) C/C++ Optimizing Compiler Version 19.29.30136 for x86
Copyright (C) Microsoft Corporation. All rights reserved.
usage: cl [ option... ] filename... [ /link linkoption... ]
So current MSVC version is 19.29.