When purchasing Helium, you will be sent an email with your user details as well as your license key.
If you have not received this email, please be sure to check your spam folder so that it has not been placed there.
When unlocking Helium with these details, please make sure that ALL fields are case-sensitive and they needs to be entered exactly as sent to you.
The most safe way is to copy the details from the email to ensure that the casing is correct.
Also make sure that NO leading or trailing whitespace is included in the data you paste into the fields.