Back up files
You should not save your data to your internal hard drive in case of scheme crash (which you have experienced), or hard drive failure.
Save to an external drive.
How to backup files:
Open File Explorer from the Taskbar > Go to the file/s you wish to save > right click on it > hover Mouse Cursor over
Send to > select an external Hard Drive or Memory Shove that you have plugged in to save them to.
“Set up a drive for File History and Restore files or folders using File History”
“Introducing Windows 8.1: How to Backup Data with File History”
Use Scheme Image Backup
You can still use Scheme Image Backup in Windows 8/8.1.
“System Image Backup in Windows 8.1”
“Windows 8.1 Tip: Use Scheme Image Backup”
“Restore a Scheme Image in Windows 7 and 8/8.1”