How to Top Up Robux on Roblox? 1) Enter your Roblox account username + password in the notes 3) Select Payment Method 4) Click Order Now and complete the Payment Please directly send your Roblox username and password to speed up the top-up process. If your account uses 2-step verification, please include the account recovery code via chat to the admin. Top-up process is available from 08.00 WIB to 22.00 WIB. Orders placed outside these hours will be processed when the service reopens.