online prep and efiling are closed. you need to purchase the desktop software which can only be installed on PC or MAC this link will list the minimum system requirements
windows
https://ttlc.intuit.com/community/system-requirements/help/minimum-system-requirements-for-turbotax-... .
Mac
https://ttlc.intuit.com/community/system-requirements/help/minimum-system-requirements-for-turbotax-...
