Windows 11 Background. Choose from a default theme or select Get more themes from Microsoft Store if you want to download new themes with desktop backgrounds that feature cute critters, breathtaking landscapes, and other smile-inducing options. Select Start , then select Settings > Personalization > Themes.
Alternatively, go to Start > Settings > Personalization. Even if you haven't launched the app, its process might already run if it's set to launch at system startup. Select Start , then select Settings > Personalization > Themes.
Select the Search icon or the Search bar on your taskbar.
Right-click an empty area of the desktop and select Personalize.
Alternatively, go to Start > Settings > Personalization. In Background settings, locate the "Personalize Your Background" option. Type your chat prompt into the Search bar or Search box. (Do not press Enter.) Select the Chat button in the upper left of the Search box.