View the progress of a Windows Defender scan
You can view which type of Windows Defender scan is in progress and see how long it has been running.
To view the progress of a scan
Open Windows Defender by clicking the Start button , clicking All Programs, and then clicking Windows Defender.
If a scan is in progress, the progress is displayed until the scan is complete. If the scan is complete, the status will display the scan results, and the date and time that the scan completed.