Microsoft's system is very early with the System Restore function, but in our well-known XP era, the use of the RESTORE function in the computer is very cumbersome, not easy. Now in the Win7 system, the System Restore function has been very good improvement, the use has been very convenient.
In the Win7 system, right-click "Computer" and click "Properties". Go to system protection in the property options, select System Restore, click Next, then select the System restore point you want to use, and click the "Scan for affected Programs" button, The Windows system will automatically check that the restore point you have selected has an application or that the driver has been deleted or overwritten.
But when you don't need these restore points, you can also remove them all. First, right-click the "Computer" click "Properties" in the Win7 Start menu. Then click "System Protection" on the top left. Then click "Configure" and click "Delete". Select "Continue". is being deleted, please wait. Successfully removed these restore points in Win7 and clicked "Close".
If you just clear the older restore points in the Win7 system, to keep the most recent restore points, right click on the C disk, and then click on the properties, point "Disk Cleanup" in "General", and then "other options" in the window at the end of the scan, and click "Clean Up" on the bottom. Then make sure to clean up the junk file in the C disk by the way.