[2021] PINNED: How to Install the Pre-Order Beta

1. Pre-order ICARUS
2. Restart Steam
3. Look for ICARUS Beta in your Steam library
4. SURVIVE

https://i.imgur.com/Zkgmo0C.png

For some people who pre-ordered before the first Beta Weekend, it looks like Steam didn't update their library automatically.

Closing Steam via the Task Manager may also help.