Microsoft antivirus protection
Windows Defender is the No. 1 antivirus on Windows 10, protecting more computers against viruses, malware, spyware, and other threats than any other solution.
Virus protection and removal
Malware protection and removal
Spyware detection and removal
Boot-time protection
Real-time protection
Cloud-based protection
Network inspection
FREE automatic updates*
You already own it.
Windows Defender is built-in to Windows 10. There’s nothing to buy and nothing to install. No configuration, no subscriptions, and no nagware.
