System Restore
Download the following file to your Desktop by double clicking it and choosing to save it to the Desktop. It is a .zip file so once it is on the Desktop open it by double clicking, then drag the contents, "Instant Restore.vbs" to the Desktop. You can delete the .zip file
Once the file "Instant Restore.vbs" is on the desktop all you have to do is double click it and it will automatically create a restore point.
Advanced
The Restore point is called "Richard's Restore Point". If you want to customize the name, open "Instant Restore.vbs" with notepad and edit "Richard's Restore Point" to anything you want.