Enter "defender" (without the quotations) in the Apps box, then click on the magnifying glass to start the search for Windows Defender. Open the application when it's found. Click on, or tap, ...

Not quite sure what Defender is doing. I never used Win8, so this is new stuff. I have it configured for Real Time Protection and all that. If I open Windows Defender, I get a little castle wall ...

Choose Windows Defender from the menu, then select Open Windows Defender Security Center. Additionally, go to Virus & threat protection , then take the step to Virus & threat protection settings ...

If Windows Defender is missing and is gone or has disappeared in Windows 11/10, here are some suggestions that are sure to help you resolve the issue. ... Start Windows Security Health Service.

Searching “Windows Defender” in the Start menu will bring up Windows Security, and even now, Microsoft often refers to its actual antivirus scanning as Windows Defender.

To start a full virus scan with Microsoft Defender, use these steps: Open Windows Security. Click on Virus & threat protection. Click the Scan options option under the "Current threats" section.

When you open Windows Defender, you'll notice the PC status: Windows Defender Periodic Scanning is ON message. If, during periodic scanning, new threats are found, you'll get a toast notification.

Windows 10 Creators Update offers a feature called Fresh Start, which lets you perform a clean install while leaving your data intact. This illustrated walk-through shows how the feature works.