Discover the basics: Download, install, and use Windows Defender . See how you can identify suspicious software, remove the offending programs, and release system resources.
Make the most of Windows Defender by scheduling scans, putting suspicious programs into quarantine, and intercepting known spyware or other unwanted software before it's installed.
Some software that uses spyware technology is intended to be deceptive or harmful, while other programs—like antivirus software—use that technology to run as you expect them to. See what others say—and share your own views.