How to start a scan for viruses or malware in Microsoft Defender
You can start a scan for malware any time you like. Note: Microsoft Defender currently offers anti-malware on Windows, Android, and macOS. From the Microsoft Defender dashboard. If you want a deeper scan, instead of selecting Quick scan in step 3, select Scan options and choose the type of scan you want.
Applies To: Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows