Windows File History is still the easiest, cheapest (free) continuous data protection software for Windows. The Add folder function has been removed, but it will back up Libraries you create yourself.

You have been successfully backing up your files on Windows 11/10 using the File History utility. But if you see the message Your data is not yet backed up under the Overview section in Backup Options ...

When you copy a file or folder to the same location on your local drive in Windows PC, a copy of that file or folder will be created with the – Copy extension added at the end of the file/folder name ...