How to activate an EJ Technologies key?

Before activating your key, please ensure you have downloaded the correct version of the software:

EJ Technologies Perfino v.4.0.3 key

EJ Technologies JProfiler v13 key

EJ Technologies install4j v9 key

1. Install and run it.

2. Activate the program with the key received.

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 did not activate all of the content   
• My key does not work. What should I do?