# Firstly, put kdiff3 into the path set path=%path%;C:\Program Files\KDiff3 # Then run git difftool --tool=kdiff3 # You can calso config kdiff3 as the default diff tool git config --global diff.tool kdiff3 # Then you can just run git difftool # use -y if you don't have to see prompts git difftool -y # In Kdiff3's Config, you may would like to enable "Quit also via Esacpe key" to be able to quick exit kdiff3 for next file.