How to Register

After you download and install Backup Cow, you will get a permanent free edition (freeware). You may upgrade to Professional or Enterprise edition to get rid of some limitations in the free version. Click here to compare editions.

Permanent Free Edition

After the software installation, you will have a permanent free edition, which has some limitations including the backup file size is 1 GB for each user.



  • Purchase a license online :

You can go to our Buynow page to place your order. After the order is processed successfully, you will get a confirmation email with an order number.

  • Register for Professional or Enterprise edition

There is two registration methods: online registration and manual (offline) registration. It is recommended you use Online Registration method after you have the order number on hand.


Online Registration

Please input your order number in the online registration form ("Help - Register - Online Registration - input "Order Nunber.") and also select the computers to be registerred, then the software will generate the registration code automatically and complete registration online.

Manual (Offline) Registration

If you cannot register the software with Online Registration, you may try "Manual (Offline) Registration". Please copy the hardcode and send it to us,we will send you a licence key to complete the registration. (You can paste the license key into the Manual Registration Form.)



  • The same registration code CAN NOT be used on other computers
  • Backup Cow will create a hardware code on computer's hardware. If you need to use the software on a new computer or if for any reason your computer crashes or certain hardware changes which will make a different hardware code, please contact us to get a new registration code for free.