[WindowsCentral.com]

How do you use Windows Defender Offline?
Windows Defender, an already powerful PC-protection tool before the release of the Creators Update, has been transformed into the Windows Defender Security Center. The refreshed app has a new layout to go along with its updated features.
One area that saw a redesign is Windows Defender Offline. The utility is now built right into the Windows Defender Security Center app and is now much easier to use. If you think your PC might be infected with som particularly aggressive malware, the following steps will help you ensure a quick cleanup.

Full story from the WindowsCentral blog...