To trade options, click Trade>Options on the stock page you are interested in.
You will then see the options contracts available for the stock you are interested in. You can swipe through the dates at the top of the screen in order to choose the expiration date of the contract you would like to purchase.
For example, this screen shows an expiration date of Jan 15, 2021.
If you click Call, you will be directed to this page:
The symbols mentioned above are for demonstration only, and shall not be considered a recommendation or solicitation for the purchase or sale of securities, futures, or other investment products.
This screen shows the Essential Statistics for the options contract. It also shows the volume of this specific contract, as well as the Bid and Ask spread. To purchase or sell the contract, click the yellow Trade button.