There’s nothing more frustrating than seeing the “Play Now” button on Battlenet, but Overwatch 2 won’t launch or won’t launch at all. This is a recurring error that usually occurs after updates. If you’re currently stuck on this message or a variation of “Entering game” in OW2, here are the troubleshooting tips you can follow.
OVERWATCH 2 IS NOW PLAYING NOT LAUNCHED | Overwatch 2 Is Now Playing But Not Opened
If you try to launch OW2 from the Battle.net client, click the Play Now button, and get stuck at the "Play Now" text on the button, you can do two things.
If so, you can try the next possible method.
This will update your graphics driver to the latest version that supports the game.