Hi SuperFelix11,
Thank you for posting in the Microsoft Community Forums.
Here are the steps to reset a domain user password in Windows 10:
Open the Computer Management tool:
Expand Local Users and Groups:
Find the target user:
Reset the password:
If you are using Active Directory Domain Services (AD DS) management tools:
Open Active Directory Users and Computers:
Expand your domain:
Find and reset the target user’s password:
Best regards
Neuvi Jiang