You can use Control Panel to change settings for Windows 7. These settings control nearly everything about how Windows looks and works, and they allow you to set up Windows so that it’s just right for you.
1.Click the Start button
2.Click on Icon Control Panel (see below screenshot)
3.You can use two different methods to find the Control Panel item you are looking for:
If you browse Control Panel by icons, you can quickly jump ahead to an item in the list by typing the first letter of the item’s name. For example, to jump ahead to User Accounts, type U, and the first Control Panel item beginning with the letter U is selected in the window.