That's the point, how do I use diff?
1 - "Right click in the file/TorsoiseGit/????"
2 - Which directory should I put there?
LOL
Edit: Just got it, for those who had the same question... (must have TortoiseGit installed)
Right click on the .diff file /TortoiseGit/Diff later
go to the .txt file Right click /TortoiseGit/Diff with "directory of the .diff file you selected before"
I thought the .diff file would move the attached files and find the way for it self (too easy I suppose).
Thanks anyway guys