The invitation is sent to your registered email at GameDistribution.
The title of this email is: Invitation to register with Sellbranch (Headerlift). Headerlift is our advertising house. This mail is sent by email@example.com.
In case you cannot find the email, please also look into your spam box, junk folder, etc.
Fill out the form in the link at the bottom of that email. To ensure the form is sent properly, you can open the link in incognito browser. There will be a few hours of approving time after filling in the form.
Note: If you have not received the email even after checking around, reach out to our account manager here.
After filling in the form, Google AdSense will approve your form and we will handle the next step.