Solved
on my iMac
The 2017 Online versions won't open until December so check back then
https://turbotax.intuit.com/personal-taxes/online/
Or what is your question? Yes you need to use the Online version unless you can find a computer to install the Desktop program on. You can transfer from 2016 into the Online version.
Mac requirements https://ttlc.intuit.com/questions/1899173-turbotax-for-mac-system-requirements
Windows requirements https://ttlc.intuit.com/questions/1901571-turbotax-for-windows-system-requirements
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