When you are logged into the Affiliate Portal, you will be able to see your unique affiliate tracking link. 

You need to ask the person you are referring to sign up to ProsperityFX using that link. 

You may copy this link by using the copy button:
Any activity will then be tracked automatically should the client have signed up via your tracking link correctly. 

For referrals to show under your Affiliate account, the referral would need to create a Live Metatrader account.