Windows Defender X64 for Windows (64-bit), a free program that helps you stay productive by protecting your computer against pop-ups, slow performance and security threats caused by spyware and other potentially unwanted software.

Windows Defender installs easily and updates quickly. The program's home page changes to display needed commands, such as download updates. The Full Scan is fast, but total scan time depends on your system and hard-drive size. The Quick Scan scans the most vulnerable areas and lives up to its name. Power users will want to configure Custom Scan; it's easy and scans only your selected areas. Vista users will notice that Defender includes extra options not found in versions for other Windows operating systems.

The license of this software is Freeware, you can free download and free use this spyware removal software.