Install
Find newest version from their webpage.
In the window Select components, un-check all options.
Check on Associate .git*... and Associate .sh ...
Set Use Git Bash only.
Set Checkout as-is, commit Unix-style. The line endings should be dealt with, by a proper python/text editor.
In the pyt32.bat file, add
set PATH=%PATH%;C:\Program Files (x86)\Git\cmd
set PATH=%PATH%;C:\Program Files (x86)\Git\bin
Test installation
Test installation, by clicking C:\WinPython27\WinPython-32bit-xxx\scripts\own\cmdpyt32.bat, and write
git --version
gitk
If you have added pyt32.bat to your PATH, then in any folder, hold "Shift" and right click, "Open command window here". Write:
pyt32
git --version
gitk