System restore is a nice tool in Windows computer to undo any system changes made during installation of a new application. This option can can be used to restore your computer back to the previous state, if you face a problem during installation of a new (and, may be, crappy) tool.
Windows 7 provides an easy way to create a system restore point. Just click on start button on the bottom left and type create restore point in the search box. Click on the result.
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It will open the system properties window. On system protection tab, click on “Create” button.
“Create a restore point” dialog box will appear. Type the description of restore point. Here I typed date of creation of restore point.
Windows will start creating restore point. It will take few seconds.
After it completes the process, a notification will appear. Click on “Close” button.
System restore point is successfully created on your Windows 7 computer. Most of the applications automatically create a system restore point during installation but you can always create system restore point manually anytime you want.