Nowadays the hard drives in computers come with large capacities. If you still want to save all the space possible on your computer, you can disable the System Restore entirely. But usually you don’t have a reason to fully disable the System Restore feature in Windows 7. Window 7 features the option to completely disable System Restore along with the choice of managing the space taken by it. At one point or another, you may think about restricting the amount of space the System Restore feature takes upon the disk if you want. You can easily adjust system Restore space in Windows 7.
Here are the simple steps you need to take in order to adjust System Restore space in Windows 7.

Click on Start button.

From the Start menu, select the Control Panel.

In the control panel, switch to all items view.

Select System.

Select System Protection in the next window.

You will see the System Properties dialog box. Choose the system disc and click the “Configure” button under the System Protection tab.

The System Protection for Local Disk C dialog box will appear. Under the Restore Settings, you will see that it is set to “Restore system settings and previous versions of files”.

At the end click on Apply when you are done.