How to activate a Xilisoft: Video Converter Ultimate key?

Redeeming a Xilisoft: Video Converter Ultimate key is really simple, just follow these steps:

1. Download and install the official Xilisoft Video Converter Ultimate.
2. Launch the application.
3. Open Help → Register (or click Register / Enter License).
4. Enter Registered Name and Serial Number, then click Register.
5. Confirm if status shows as Registered.
   
   And, that's it!

The key is not working

If you have activated the key according to the guide but the code appears not to work, please check what type of error message you receive and depending on it follow the appropriate instructions: 

• My key is Duplicated / Already used
• My key is Invalid
• My key is region locked / can't be activated in my country
• My key activated a different product
• My key did not activate all of the content