You can disable PIN Reset on the Windows 11/10 login screen using Registry. It will remove the I forgot my PIN link on the sign-in screen, ...

If you are not very particular about having a security PIN on your PC, then here is a quick guide that can help you turn off PIN on Windows 10 or Windows 11.

If after Windows Update, you're prompted for PIN instead of Password that you never set up when you try to log into Windows 11/10, see this post.