How do I get this Beta Branch for the game on Steam you might be asking. Below is an explanation.
1. Open Steam and go to your Library of game.
2. Right-click on where you'd normal click to start the game.
3. When a options box pops up, select Properties...
4. In the window that appears, select Betas from the left side options.
5. In the space below Private Betas where you can type stuff, enter the below code:
1KnowH0dandWant2Beta
6. Under the options Beta Participation, you should now have one called "beta - Beta testing before release"
7. If it doesn't work right away, restart Steam and it should work.