How to Run a Full Microsoft Defender Scan

Step by step

1. 15 sec

   Open Windows Security

   Click the Start button and type 'Windows Security'. Select the application from the search results to open the main dashboard.

   Note: Alternatively, click the shield icon located in the system tray on the right side of the taskbar.
2. 15 sec

   Access Virus & threat protection

   In the Windows Security home screen, click on the 'Virus & threat protection' tile. This section manages your device's security status and scan options.

3. 15 sec

   View scan options

   Locate the 'Current threats' section. Click the 'Scan options' link positioned directly beneath the 'Quick scan' button.

4. 10 sec

   Choose Full scan

   Select the radio button labeled 'Full scan'. This setting initiates a deep check of all files and programs currently stored on your hard drive.

   Note: A full scan may take over an hour depending on the number of files on your disk.
5. 30 sec

   Initiate the scan

   Click the 'Scan now' button at the bottom of the scan options list. Microsoft Defender will immediately begin checking your system for threats.

   Note: You may continue using your computer while the scan runs in the background.
6. 1 min

   Review scan results

   Once the progress bar reaches completion, the interface will display the number of files scanned and any detected threats. If threats are found, follow the on-screen prompts to quarantine or remove them.

   Note: If no threats are found, the status will show 'No current threats'.