Roblox Premium is a subscription service that gives you access to various perks and benefits both within and outside games.

Sign into your Roblox account and go to the Home page (using the sidebar on the left). Be sure that it’s the account that has Roblox Premium. Now, in the top-right corner, click the cog icon ...

The Roblox metaverse heavily relies on Robux for micro-transactions. You can use it to purchase UGC avatar items and in-game content.