How to extract tar.gz on windows xp

You don't need to install the windows version of tar and gzip, you just need to download 3 zip files, one which contains binaries for tar, one with the binaries for gzip and lastly the other contains the dependancies. Unpack the files, and follow the manual installation instructions, which tells you which files to copy from the dependency directory to the tar tool directory.

You can then run the tar command from the command line to unpack the tar.gz file with the commands

 gunzip.exe example.tar.gz

 tar.exe xf example.tar

If you can't download these files there is no other way to do it that I know of.