As últimas versões que trabalham com o Windows XP (32 bits):
- TortoiseGit 1.8.16.0 ( link )
This is the last version which is compatible with Windows XP and Server 2003.
- Git 2.10.0 ( link )
As of Git for Windows v2.10.1, Windows Vista or later are required. The last version of Git for Windows to support Windows XP and Windows Server 2003 is v2.10.0. (more)