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How do I install tkdiff on windows?

I set up Git today to work with GitHub. I want to use tkdiff as my default diff tool. I remember I used it before and it was nice and easy.

I downloaded the zip file from their website and see a tkdif file in the zip. However, I am not sure how to install it. Where do I place the file?

Additionally, what is the correct way to set tkdiff as the default diff/merge tool?

Thank you!

Solution
    1. Add the folder which contains tkdiff.exe to your %PATH% (where you have uncompressed tkdiff 4.3.5).

    2. Configure the tool in Git:

      git config --global diff.tool tkdiff
git config --global difftool.tkdiff.cmd "\"C:\\Path\\to\\tkdiff.exe\" -s \"\$LOCAL\" -d \"\$REMOTE\""

    Note that tkdiff wiki does not mention any recent Windows support (using TclTk)

    So you might want to consider instead kdiff3, as commented, which does actually has a kdiff3.exe.

    See "Git: How configure KDiff3 as merge tool and diff tool"