1.You can remove Windows 8.1 by refreshing your PC from PC Settings.
2. But Windows 8.1 will show “Some files are missing. Your installation or recovery media will provide these files” error.
3. To fix this error you need a Windows 8 Recovery Drive, System Image or Windows backup DVD Windows 8 installation disc will not work.
4. After getting back Windows 8, you have to install all softwares but your apps and settings will be preserved.
This tutorial is tested on Windows…