How To Install Windows Defender without Validation
Download WinZIP from http://www.winzip.com/?wza10 (skip if you already have it)
Download ORCA from: http://astebner.sts.winisp.net/Tools/Orca.zip
- Install Orca
- Open WindowsDefender.msi in Orca.
- In the left pane, select InstallExecuteSequence.
- Select the Action CHECK_WGA. Right-click it and select Drop Row. Click OK to confirm.
- Save the MSI file and close Orca.
- You can now install Windows Defender (beta 2) - and updates.
Enjoy