You can turn off the Windows 10 lock screen by editing the registry. Several steps are involved, but if you follow them closely, you'll be able to disable the lock screen in just a few minutes.

To prevent Windows 11 or 10 from locking itself, first disable Dynamic Lock and the "On Resume, Display Logon Screen" option in screensaver settings. Then, on Windows 11, head into Settings > Accounts ...

How to Lock a Windows 10 User Account When you lock a user account, you're taken to the login screen, where you'll need to select a user to sign back in.

Has the Windows Lock Screen Language changed automatically? Or did you change the display language, but the lock screen still shows the original language?