first game I've done and i am by no means finished. but for now you can just do... whatever the hell you want!
Check Remember my choice and click in the dialog box above to join games 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 Play below to join the action!