How do I change my username? Christian Arvidsson Updated August 26, 2023 09:35 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 Choose your platform Multiplayer service currently unavailable Checksum differs in multiplayer Unable to join/host multiplayer due to lack of permissions