Download and install program:
http://sourceforge.net/projects/kdiff3/
Add kdiff3 as your Git mergetool
From Git Bash, run
$ git config --global merge.tool kdiff3
Open the file repository/.git/config
and paste the code below
[merge]
tool = kdiff3
[mergetool "kdiff3"]
path = C:/Program Files/KDiff3/kdiff3.exe
keepBackup = false
trustExitCode = false
tags:
git mergetool kdiff3 windows
kdiff3 mergetool is not available
better than vimdiff