In coming weeks, early adopters will be able to grab .NET Framework Beta 2 not only as a standalone download but also through Windows Update. “In order to test this update process — elect to try beta update, you’ll then be offered through Windows Update either the .Net 4 client profile if you’ve Windows XP, Windows Vista, or Windows 7, or the .Net 4 full profile if you’ve the corresponding versions of Windows Server. This update’ll only appear if there’re no beta versions of .Net 4 already installed on the machine. To try beta update you need to add a registry key by running the following command: reg.exe add “HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4B2WU” /v OptIn /t REG_DWORD /d 1 /f . The beta update will then be available the next time you ask Windows Update to check for updates,” revealed. This test process will only be available for next three weeks, through February 8th.