You most likely got redirected here directly from the game.
It also opened a Windows Explorer window with the backup file selected.

Please attach that to this post by using the "Upload a file..." button below this textbox.

If the backup file is from your GameJolt save, we ask if you want to have your current save replaced by the backup.
If this is not the case, we will create a normal save folder from that backup file and upload it here.

You can remove this message and add your own description to the post.