AnkhSVN
AnkhSVN is a Visual Studio .NET addin for the Subversion version control system.
Links
Install
Quit all copies of Visual Studio 2003/2005
Uninstall AnkhSVN if you are upgrading
Run the AnkhSVN installer package
Start Visual Studio and choose Tools, Add-in Manager, ensure that AnkhSVN is listed and that Startup is checked for it and click OK.