On the Quotes screen, you can type anything in the Search bar and it will search for contracts.
To Browse for contracts, you will see in Quotes, below the Search bar, these lines: Futures, Options, Forex. Click on one of them and start browsing contracts.
For Futures, as you browse, you will be shown the contracts for the front month. You can select other expiry dates by clicking on the selector that says "Front Month".