To begin using a Roku device, you'll need to create an account.Sean Locke / EyeEm / Getty Images You need to create a free Roku account to set up and use a Roku streaming media player. You can create a Roku account from the Roku website, the Roku mobile app, or the Roku player itself. You'll be prompted to create a Roku account when you set up a new Roku device. Visit Insider's Tech Reference library for more stories. You'll need a Roku account in order to set up and use your Roku media player.