Hello Jessica,
One method would be to switch his Microsoft account on your laptop to a local account like in the tutorial below.
https://www.elevenforum.com/t/switch-to-local-account-from-microsoft-account-in-windows-11.1219/
Afterwards, switch this local account to your Microsoft account like in the tutorial below. This way you will not have to create a new account/profile or lose anything.
https://www.elevenforum.com/t/switch-to-microsoft-account-from-local-account-in-windows-11.1220/