Play games
Choose the game that interests you and play itfor free.
Complete the quests
Every game has some quests for which you will receive Soul Gems.
Receive rewards
You can exchange your Soul Gems for Steam Wallet top-ups, game keys, CS:GO Skins and other rewards.
Simply put premium payouts are basically just when players who own Roblox Premium join your game you get paid Robux regardless of whether they bought anything or not. Would you rather if they kept it at that, or if they should also pay you in Robux for base players who play your game?