If you choose or select a restore point on the left side of the website, all included backups are selected on the right side. Now you can choose restore. You can also change the selected backups and only restore one or a part of the backup you selected on the left side.

You can delete a restore point, by selecting one on the left side and press the [Del Backup] button - after the deletion you can see a message at the top of the website:

To create a new restore point, select the backups and than press the [Backup Config] button.

A background task is starting and creates the backup or restore point. You need to reload the website to see the new restore point: