You can create your own restore points on those occasions when you feel your system is behaving particularly well, or just before you make a change to your system, installing a new program and want to make sure you can revert to a recent state just in case.
Creating A Restore Point:
1. Go into the Start Menu and All Programs
2. Go to Accessories
3. Go to System Tools
4. Left click on System Restore
5. System Restore Will Open
6. Select Create a Restore Point and click Next
7. Describe your restore point by giving it a name (My Test is used for this example)
8. Click Create
9. Your system will create the Restore Point and show a confirmation page.
10. Click Close