Change Lock Screen Background in Windows 10

In Windows 10, the lock screen image is shown in a number of cases. For instance, if you locked your user session using Win+L or by clicking the user image in the Start Menu, the lock screen image will appear and show a background image. If you are signing in to Windows 10, you need to dismiss the Lock screen to proceed with the sign-in screen. Here is how you can change the Lock screen background image to a custom image in Windows 10.

In Windows 10, the Lock Screen background image can be set through the Settings app. The user can visit the following page: Settings -> Personalization -> Lock screen.

It is possible to use Windows spotlight, a picture, or a set of images from a folder as a slideshow for the lock screen background.

Note: in Windows 10, there are two Lock Screens. The first one is the default Lock screen that appears when you are signed out, have a password set for your user account or you have Ctrl+Alt+Delete requirement enabled. The second Lock screen is related to your personal user account. In this article, we will see how to change the Lock screen background image for the user's Lock screen. For the default one, please refer to the following article: How to change default lock screen image in Windows 10

Change Lock Screen Background in Windows 10
Do it as follows.

1. Open Settings.
2. Go to Personalization -> Lock screen.
3. Under Background on the right, you can select one of the following options.
   • Windows Spotlight - will display different backgrounds downloaded from the Internet automatically. Tip: see Where to find Lockscreen Spotlight images in Windows 10?
   • Picture - here you can set a single image to be used as the lock screen background.
     You can pick a specific image which is available out-of-the-box:Alternatively, you can set a custom picture using the Browse button. Click it and open the desired image:
   • Slideshow - use this option to have a slideshow as your lock screen background. It will play images from the folders you include. Click "Add a folder" to add a new folder with images which will be cycled on the lock screen:The Advanced slideshow settings link under the folder list allows you to tweak the slideshow behavior. You might want to adjust them:

Tip: You can also use the Photos app to set your favorite picture as your Lock Screen background. Open the desired image in the Photos app and click the three dots menu button.

There, click the item "Set as". A new menu will appear on the screen with the "Set as lock screen" command which you can use to set the current image as your lock screen background.

There is a Ctrl + L shortcut defined for the same action. You can press it to set the lock screen background from the Photos app directly.

Now read: Change sign-in screen background image in Windows 10