Does your computer meet the system requirements?
TurboTax 2017 Minimum System Requirements
Windows:
https://ttlc.intuit.com/questions/1901571-turbotax-for-windows-minimum-system-requirements
Mac:
https://ttlc.intuit.com/questions/1899173-turbotax-for-mac-minimum-system-requirements
Customer support will available on Tuesday after the long holiday weekend.
To call TurboTax customer support
https://ttlc.intuit.com/questions/1899263-what-is-the-turbotax-phone-number
They are available from 5 a.m. to 5 p.m. Pacific time Monday-Friday
My computer meets all the requirements. Have Windows 10. I have other years of Turbo Tax downloaded with no problems
Did you maybe buy the Mac version? Call support. Did you try turning off your anti-virus program to download it?
Contact Customer Service (they might be closed until after Labor Day)
5am-5pm Pacific Time Monday -Friday
https://support.turbotax.intuit.com/contact/
What is the Turbo Tax phone number
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632
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