Microsoft's Window operating system offers plenty of ways to customise the interface of your PC, and changing the image displayed on the background is just one of the ways you can put your stamp on the Windows 7 desktop. Here's how to do it.
Personalise the background on your PC
From the Start menu open the Control Panel.
Select Appearance and Personalization, then press Change desktop background.
You can select one of the default Windows 7 pictures, which will automatically displayed. Use the drop down menu next to Picture location to browse what's on offer. Alternatively, press Browse and you'll be able to trawl your hard drive and select one of your own images for use on the background.
Once you've selected an image, by checking the box in the top left-hand corner next to the image, use the drop down menu in the bottom left-hand side to select the Picture position. Options include full-screen, tile of centre.
You can also opt to have the image change at pre-defined intervals. However to do this you'll need to ensure a number of images are selected. You can choose which ones you want on press Select all in the top right-hand corner. Use the drop down menu next to Change Picture Every to define how often you want images to change. You can also opt to have then in a random order by ticking the button next to Shuffle.
When you're happy with the images, press Save Changes and you background image will be changed.