Claiming your profile is straightforward and will require the following;
1) Having a TrackerNetwork Account
2) Link your gaming profile account with TrackerNetwork
1) If you don't already have a TrackerNetwork account, you can create one here: Tracker Network Register / Create Account (thetrackernetwork.com)
2) To link your gaming profiles to TrackerNetwork, please head to Tracker Network - Manage Linked Accounts (thetrackernetwork.com). This will open our linking tool, which will look like this. (You may see differences based on your browser/device)
To link an account, click the corresponding platform box to begin the process.
Origin/EA: Click on the corresponding box, type in your ID and verify
Playstation: Click on the corresponding box, type in your ID and verify
Steam: Click on the Steam box; you will then be asked to sign into your account via Steam's own system; once done, your name will appear. *Please note Steam users are also required to link their Origin/EA ID
Xbox: Click on the Xbox icon; you will then be asked to sign into your account via Steam's own system. Once you're done, your name will appear.
Your page should look like this, depending on how many platforms you link.
Once your profile is listed here it is claimed.