Resetting Windows is a process that essentially brings it back to a clean slate, just as it was when it was first installed. You may want to reset your PC if you are experiencing severe system problems and refreshing your PC does not help. You may want to run a reset if Windows 8 is running slowly or improperly and you just want to start from scratch. You might also decide to run a reset if you plan to give your computer to someone else and you want to remove all traces of your files, applications, and personal settings. This task explains how to reset your PC.
1 Open PC Settings: Hover your mouse over the lower-right hot corner to display the Charms bar. Click the Settings icon. Click Change PC Settings. In the PC Settings screen, click the General category.
2 Reset your PC: Scroll down the right page of the General screen until you see the Remove everything and reinstall Windows option. Click Get started.
3 View PC reset message: A Reset your PC message appears explaining what will happen. Click Next.
4 Insert media: A message may appear that some files are missing. ...