Taking a snapshot of your desktop can be useful in many different ways. It is a great feature for troubleshooting computer problems because you can send in a picture of your screen to Microsoft. It is also a great way to quickly save a favorite picture from a website that cannot be saved any other way. You can follow a few easy steps to take a full desktop snapshot of your computer screen. Follow the followings.. 

• Hold down the 'Alt' button and press the 'Print Screen SysRq' button on your keyboard. This will take a hidden snapshot of your desktop. On a laptop, you may have to hold down the 'Fn' key and press 'Print Screen SysRq'.

•  Click on the 'Start' button on your Taskbar.

• Click on 'All Programs', then click on 'Accessories'.

• Click on 'MS Paint' to open the Paint program.

• Hold down the 'Ctrl' button and press the 'v' botton on your keyboard to paste the snapshot of your desktop in Paint.

• Now, click on 'File' near the top left corner of the Paint program. Scroll down to 'Save As'. This will open the Save As window. Give the title of the image and click 'OK'.