Change Home Screen Wallpaper Windows 7. You can easily change the desktop background in Windows 7 to let your own personality shine through. Just make sure you name it img0jpg and it should have a resolution of 1920 x 1200.
Generally to change the wallpaper on Windows you have to manually download it right-click on the image and select Set as Wallpaper Alternatively you can also switch between the few included default wallpapers by opening the Settings app and navigating to Personalization - Background. Tap on right-click on your Windows 7 desktop or laptop. Click Change advanced power settings and then expand the Desktop background settings option.
Choose My Pictures on the Picture.
The Control Panels Personalization pane appears. Windows 7 supports the ability to load images into the background of the login screen without the use of third-party software or manual hacksTo change the logon desktop background you just need to complete two simple steps. Open up Windows Explorer or My Computer and navigate to your Windows directory. Generally to change the wallpaper on Windows you have to manually download it right-click on the image and select Set as Wallpaper Alternatively you can also switch between the few included default wallpapers by opening the Settings app and navigating to Personalization - Background.