For everyone who can't press on the "Account Merge" button, Blizzard replied saying they're aware and working on it : r/Overwatch
How to link your Xbox or PlayStation account to your Blizzard account - YouTube
Overwatch 2: How to merge your accounts | Windows Central
How to link Overwatch accounts across console and PC? – Esports | Esports.gg
How to merge Overwatch 2 accounts and set up cross-progression | Radio Times
How to Merge Overwatch 2 Accounts - Followchain
Overwatch 2: how to get access to the beta on PS5, PS4, Xbox and PC - Meristation USA
Overwatch: Switch - How to Link Your Battle.net Account | Attack of the Fanboy
One reason you can't get in right now is if you connected a console account to your bnet account :/ : r/Overwatch
Overwatch 2: How To Merge OW Accounts On Console
Overwatch Crossplay: How To Link Account To Enable Cross Play?
How to merge Overwatch 2 accounts and set up cross-progression | Radio Times
Overwatch 2 Guide – How to Merge Accounts, and Earn Skill Rankings in Competitive Play
How Long Does Overwatch 2 Account Merge Take? - GameRevolution
i haven't played for a while never was good but now it's making me do this and I don't remember needing to log in the first time, I only wanted to play
Overwatch 2 Free2Play - How to Connect Battle.net to PS4 / PS5 - YouTube
How To Download 'Overwatch 2' For Free On All Platforms
How to Link Your BattleNet Account for Rewards - Overwatch Wiki Guide - IGN