What kind of computer do you have? You need a full Windows or Mac desktop computer to install Turbo Tax. Which download did you buy?
Mac System Requirements, https://ttlc.intuit.com/questions/1899173-minimum-system-requirements-for-turbotax-mac-software
Windows System Requirements https://ttlc.intuit.com/questions/1901571-minimum-system-requirements-for-turbotax-windows-software
If you don't have a computer to install it on maybe you can use a friends or family. Or you can get the blank forms and fill them out by hand. I can give you links to some.