- Right first download beta client from here
http://www.bigdownload.com/games/starcraft-ii/pc/starcraft-2-wings-of-liberty-us-closed-beta-client
Run it and install to default directory.
Once installed, run. You should then be presented with a patch upgrade.
Continue with patching.
After finished patching, Just quit.
Download the allinone launcher (by Vernam7)
http://rapidshare.com/files/361750076/SC2ALLin1_setup3x.exe
Install the launcher and run it
You're basically good to go.