Use a utility like WinRAR or 7-Zip to extract the contents.
Files with the .rar extension are compressed folders. In this specific case, the archive usually contains: Patches to fix bugs or improve performance. GF101022-SP3-FLT.rar
Service Pack 3 (SP3) or a specific update released around October 22, 2010 (101022). Use a utility like WinRAR or 7-Zip to extract the contents
Run the provided installer or copy the update files into the software's main directory. GF101022-SP3-FLT.rar