How to Repair Install Windows 8 and 8.1 without Losing Anything
Windows 8 introduced the option to refresh and reset your PC to repair or reinstall Windows 8 with as needed. These new features are great for what they are intended for, but there are some drawbacks to them.
When you reset your PC, it will basically give you a clean install (retail) or factory recovery (preinstalled OEM) of Windows 8 afterwards. You will lose everything from your current Windows 8 installation.
When you refresh your PC, this basically repairs Windows 8 by reinstalling it while keeping your files, Store apps, most of your settings, etc..... However, all installed 3rd party desktop apps will be removed. If you like, you could create a custom refresh image...