Cited from FAQ about DVDFab 11 registration:
DVDFab 11 products use the most advanced online verification method, so you just need to use your DVDFab account to activate/authorize your software.
For users who haven’t activated DVDFab account, there’re two methods to activate account:
1. Click the activation link in your registration email;
2. Go to our Member Center and click “Create an Account” to create your DVDFab account with the email you used to purchase our products.
For users who have activated their account but forgotten the password, please click “Forgot Password?” in Member Center.
Our Member Center can be accessed at: https://www.dvdfab.cn/member.htm
Once your account is activated in DVDFab Member Center, you can apply the account info to authorize DVDFab products on your computer. Please refer to this page for information: https://www.dvdfab.cn/how_to_register.htm