Get "PuTTY Link" and "Pageant" (an SSH key agent) from.
pageant.exe, find its icon inside your system tray and add your SSH key.
Open up a
cmd and put the full path to PuTTY's
plink.exe into the
GIT_SSH environment variable, e.g.:
You can then use Git like you would on any sane operating system. Just go ahead and
git pull, etc.
Also, you may want to add the environment variable under the Windows system properties so it survives a reboot.