WithWindows 10’s Anniversary Update, this tool is included with Windows, and even easier to launch.

Here’s how to use it, no matter which version of Windows you’re on.

Click Privacy and Security > Windows Security > Open Windows Security.

Enter “Settings” in the search bar, then hit Enter or click “Open."

Click “Virus & Threat Protection.”

Scroll down and select “Microsoft Defender Offline Scan,” and then click “Scan Now.”

Click “Scan” in the popup and your Windows 11 PC will restart itself and begin the scan.

Select “Privacy and Security” and then “Open Windows Security."

Then select Virus & threat protection, click “Scan options” under Current threat.

Select “Microsoft Defender Offline scan” to choose an offline scan.

Click “Scan now” to perform the scan.

Click “Virus & Threat Protection."

Related:What’s the Best Antivirus for Windows 10 and 11?

(Is Microsoft Defender Good Enough?)

After you click this button, your box will automatically reboot and begin scanning your PC for malware.

Select “Microsoft Defender Offline Scan” and then click “Scan Now."

The scan may take up to fifteen minutes.

If no malware is found, your machine will automatically boot back into Windows once the scan is complete.

Microsoft recommends creating bootable media on a known-clean computer.

Enter “Windows Security” into the Start menu search, then click “Open” or hit Enter.

The tool will create Microsoft Defender Offline media containing the latest virus definitions.

Be sure to back up any important data from the drive first.

Insert the USB drive or disc into the other computer and restart the computer.

Select “Virus & Threat Protection” then click “Scan Options."

It works identically to Microsoft Defender Offline on Windows 10 and 11.

Select the offline scan option, then click “Scan Now."

Select the right version for your PC.

Microsoft Defender offline scan creation tool.

Microsoft Defender Offline running.