Open the Back up my files drop-down menu and choose how frequently you wish to back up your data, from every 10 minutes to Daily.Then click the Keep my backups drop-down menu and select how long ...

Back up and restore important files with Windows File History Since Windows ... A drive with at least 500GB is recommended so ...

However, there are a couple of solutions built into Windows you can use if ... which won't delete your existing backup. Of course, you can always keep it if you want regular backups to be done.