If you cannot sign in then you can create a Local Administrator Account on Windows 11/10 using utilman.exe Command line tool.

Create new Local User Account without password using PowerShell To create a new local user account without any password using Windows PowerShell, open Windows PowerShell with administrator privilege.

I run my Win10 machine on a standard user account, and don't mind entering the admin creds when installing/removing software. But there are certain things I run frequently that require admin ...