Contact Safe Swiss Cloud Sales to get an account. Once you have received your account details:
Login to the WebGUI of the Business Backup Service and download the backup agent.
Install the backup agent on every desktop and server you want to backup
Check the central dashboard of the Business Backup Service to schedule or see the status of your backups.
Finally, test a restore: this can take more than 15 minutes, depending on the size of your backup.
Warning: always restore image backups to a new server / VM / desktop. Restoring an image backup to the source device, will destroy it.