If Windows feels a little too slow for convenience, you can perform a Refresh.
In the previous versions of Windows, you have to backup all of your files, device drivers, etc. before you can perform a fresh install.
It’s time-consuming and it’s tedious!
Now with Windows 8. You can perform a refresh without the need for backing up your data.
First, go to 'Settings' and click the tab “Chang...e PC Settings”. Go to the “General” tab in the next window, and you should find the “Refresh Your PC Without Affecting Your Files” section.
Select “Get Started” and hit “Refresh”.
After a few minutes, your PC will restart and you now have a refresh and reinvigorated Windows 8!