Journey alone or with others through the rooms but whatever you do don't let it catch you.
To begin the game open the door (doing so will begin the game so that nobody else can join).
Check Remember my choice and click in the dialog box above to join experiences faster in the future!
Click RobloxPlayer.exe to run the Roblox installer, which just downloaded via your web browser.
Click Run when prompted by your computer to begin the installation process.
Click Ok once you've successfully installed Roblox.
After installation, click Join below to join the action!