You can change the lock screen on your Windows computer by customizing the background image and specifying what supplemental information it displays.
You can change your Windows 10 login screen through your device's Settings app, and make it display any photo you like.
I don’t think about Windows 11's lock screen a lot because I barely see it when I log in to my PC with Windows Hello face recognition. But I very well might start paying attention to it now that lock ...