2018 online preparation and e-file are closed. if you want to use TT you'll need to buy the desktop disk from a retailer or download the desktop software from an online seller or TT. be wary of underpriced websites - you don't know what you'll be getting if anything at all after giving your CC info. also know what product you need - TT offer is with a state. some sites offer federal only or both federal and state.
https://turbotax.intuit.com/personal-taxes/past-years-products/
