This means that the screen timeout duration that you set for your user account might be different from the screen timeout duration of any other user account on the same computer.
Since the configuration is user specific, you can use a standard user account to make the modifications, but the modifications will be reflected on your account only. In order to make modifications in the screen timeout duration in Windows 8/8.1, you are not required to log on to the computer with the administrator account.
If you are not comfortable with the default screen timeout settings of your computer, or if you have accidentally made any modifications and want to revert back to the timeout settings that you personally choose to keep, this tutorial is just for you.
