Alternatively, Windows 10 Pro users can enable Do not display the lock screen in Local Group Policy Editor. This article explains how to disable the lock screen in Windows 10 so that you're one step ...
You can change your Windows 10 login screen through your device's Settings app, and make it display any photo you like.
If Lock Screen timeout is not working in Windows 11/10, this post may help. The lock screen timeout feature enhances security and power management by locking your PC once inactive for a set period.