Install tmux with git-bash (mingw64)
Download 2 pre-built packages from: https://repo.msys2.org/msys/x86_64/
- tmux-<version>-x86_64.pkg.tar.zst
- libevent-devel-<version>-x86_64.pkg.tar.zst
Download Zstd for windows (used for decompressing ZST files): https://sourceforge.net/projects/zstd-for-windows/files/
Unzip Zstd tool then use it to extract .tar.zst files to get tar files:
zstd.exe -d <path-to-file>.tar.zst
Use 7z to unzip tmux-<version>-x86_64.pkg.tar and libevent-devel-<version>-x86_64.pkg.tar, then copy all tmux.exe and libevent related dll files to C:\Git\mingw64\bin
Done.