How do I change my username? Christian Arvidsson Updated January 14, 2021 06:04 Follow Start Crusader Kings III In the bottom left of the main menu click Paradox Account Login to your account if not already done so Click the spinning arrows as shown below Related articles I'd like to delete my Paradox account Multiplayer service currently unavailable Choose your platform Unable to join/host multiplayer due to lack of permissions I'd like to delete my forum account