Call of Duty Warzone 2.0 - How to See Your Activision ID

So I just got warzone, and I need to create an Activision account, as this is the first time it's required. I try to enter in my information, but it says invalid

ModernWarzone on X: When first signing in to Warzone after the Season 2 Reloaded update your private information will be shown on screen. Email, Activision ID and Display name are all shown.

Saccr @ cancer PLAY WITH AN ACTIVISION ACCOUNT To play Call of Vanguard you will need to

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I can't sign in for a activision account because of user, any fix? (ps4) : r/modernwarfare

How To Create Account in COD Warzone Mobile Activision Account Sign in Cod Warzone Mobile, Sign up

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