Learn how to protect your Windows devices and personal data from viruses, malware, or malicious attacks.

Describes and provides links to several Microsoft security resource centers and tools that can help you protect your system from malware and from viruses.

If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

It includes features such as Microsoft Defender Antivirus, Windows Firewall, and Smart App Control, which work together to provide real-time protection against viruses, malware, and other security threats.

Get tips to help protect your home computer from scams, malware, viruses, and other online threats that might try steal your personal information.

Find out how Windows Security can help keep your PC safe from malicious software and viruses.

That significantly reduces the risk of viruses, malware, and unwanted software impacting you. Imagine using your PC with confidence, knowing that Smart App Control is there proactively blocking …

Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

Describes and provides links to several Microsoft security resource centers and tools that can help you protect your system from malware and from viruses.

Learn how malware can infect your PC from sources such as spam email, removable drives, potentially unwanted software, and suspicious websites.