He did not try to remain in power. He left the Capitol in a timely fashion...24 hours before and well before Biden was sworn in.
He finally surrendered occupying the WH. But until that time he tried every lever, legitimate or not to remain. Of course our Q friends had dates through the fall of 2021 of a triumphant return. Was he involved or behind those?
He also did not lose but that matters not to our sinister leftists overlords.