Download Windows Defender (Beta 2), install it on your Microsoft Windows 2000, Microsoft Windows XP, or Microsoft Windows Server 2003 computer, and configure your basic program settings. You can check your system requirements before you begin.

After you have installed and set up Windows Defender (Beta 2), it's time to run your first spyware scan. Windows Defender (Beta 2) will identify programs that seem suspicious and give you the option to delete them, quarantine them, or leave them alone.

Find out if you need to upgrade to Windows Defender (Beta 2) to help keep spyware and other unwanted software out of your computer. Download the latest version if you don't have it already.