Download latest Build Tools for Visual Studio 2019 online installer and install C++ build tools.
Version should at least be 19.28.29924 for cl
# Path might be different on newer versions
C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\VC\Tools\MSVC\14.28.29910\bin\Hostx64\x64\cl.exe
> Microsoft (R) C/C++ Optimizing Compiler Version 19.28.29924 for x64
CMake
Download and install CMake. Make sure to add CMake to the system PATH.