Steam is adding a playtest button

Developers will be able to allow players access to a game's beta test with a big green button on their store page.

Meet Your Maker Closed Playtest Release Date: How to Sign Up

Steam Playtest makes it much easier to beta test PC games

Steam Playtest Gives Developers a Free Way to Test Games With

Payday 3's technical playtest starts next week on Steam

How to get your game on Steam. Easier than you might expect

Payday 3 Closed Beta Announced - Sign Up Now on Steam - Steam Deck HQ

Using the Steam Playtest feature: Freaking awesome!

Alawar

How to Beta Test PC Games on Steam for Free

Steam Playtest Simplifies Beta Testing PC Games

90e6b4490ed8823800dc90549801eff5f8816a95.png

How to install a steam game on playtest : r/SteamDeck

FREE Company of Heroes 3 Playtest on Steam