You can easily change the theme settings. lock screen image and the desktop background or wallpaper in Windows 11/10 via Personalization Setting.

Windows 10 users can now alter the default login screen background with a single-click, thanks to the release of Windows 10 Login Background Changer utility from some independent GitHub developers.

You can change your Windows 10 login screen through your device's Settings app, and make it display any photo you like.

If you are looking for a way to change the folder background, add images to the folder background, customize text, etc, in File Explorer of Windows 10, then this shows you the easy way to do it.

If you like to see the images and apps status on the Lock screen, but the display goes black in about a minute, then use this guide to change the Lock screen timeout setting on Windows 10.

There is no simple way to change the configuration settings for the Windows 10 Spotlight. Making those changes requires some pro-level techniques.

To turn off a background application, click the toggle switch to the off position, as shown in Figure C. Repeat the process for each application you wish to remove from the background of Windows 10.

Comprehensive guide to change background, colours and customise start menu in Windows 10.