Refresh Windows 8
Refresh Windows 8 without losing your files
Here's how you can refresh Windows 8 without losing any of your files such as photos, videos or music.
1. Launch the Charms menu.
2. Click on Settings.
3. Go to Change PC Settings.
4. Go to General.
5. Click the Get Started button under "Refresh your PC without affecting your files."
For more, see the original article at the link below.
Refresh, Reinstall or Restore Windows 8 | Help Desk Geek