The unregistered version is for evaluation purpose only. The restriction of this copy is that you can only use it for 30 days. If you want to remove the restrictions, please register it.

The registration fee for Home Edition with a single user license is USD$19.95.
To register it, please visit: http://www.arkbackup.com/buy.htm

After purchased, you will get a registration name and key. Just select the menu 'Help' | 'Enter registration key', the registration dialogue will be shown. Enter the registration name and key here and click OK. If it prompt you that registered succeesfully, please close ArkBackup and restart it. Then you can use the registered version of ArkBackup Home. Enjoy!