This video will show you how to change your time from military time to the 12 hour time scale on a Window's computer. After being infected by a virus or if you accidentally changed the time on your computer, you can easily change the time display on your computer screen back by following the easy steps in this video. You will first have to go to the Start bar and find the Control Panel. From the Control Panel, find Regional and Language Settings and choose to customize your regional settings. From here, you will be able to find a small tab which will allow you to change your time settings back to the 12 hour scale.