System Restore allows you to change your computer configuration to a previous state and can be extremely useful in case your system becomes unstable. On a computer running Window 7 rolling back is extremely easy: simply click the Start button, type rstrui in the search box and press the Enter key on your keyboard.

On the System restore Window click the Next button and you should see the restore points that have been automatically created by Windows 7 (they are created every time significant changes such as updates and installing or uninstalling of applications have been made).

Confirm your choice and finish the process

In order to manually create a restore point in Windows 7 right click on the Computer icon on your desktop and select Properties.

Click the Advanced System settings link

open the System protection tab and click the Create button

type a description for your restore point and finish the process.