ALT Text beside device render of a Windows laptop with Windows Security settings on-screen: What is Windows Security and what can it do?

ALT Text beside device render of Windows laptop with Virus & threat protection settings on-screen: List describing Windows Security is preinstalled and provides the latest antivirus protection and keeps you updated with results of continuous scans.

ALT Text beside screenshot of Windows Security settings: List describing which settings you can change for customized PC protection.

ALT List beside screenshot of a Windows right-click menu over a file with Scan with Microsoft Defender option selected describing how you can perform scans of individual files or folders or scan your whole PC.