computer

Are you trying to use a mobile device?   You cannot use the CD/download on any sort of mobile device--only a full PC or Mac.   Or do you have an older Mac that does not meet the system requirements?

If you cannot use the desktop software you can use online TurboTax.

2020 Desktop TurboTax 

Minimum requirements for your computer

Below are the minimum requirements for TurboTax Federal 2020 software. Product activation required via Internet. Download option requires free online Intuit account.

Windows® CD/Download Products

Operating Systems

• Windows 8 or later (Windows 7 not supported)

RAM

• 2 GB or more recommended

Hard Disk Space

• 1 GB for TurboTax (plus up to 4.5 GB for Microsoft .NET 4.5.2 if not already installed)

Monitor

• 1024x768 or higher recommended

Third Party Software

• Microsoft .NET 4.5.2 (included with TurboTax Installer)

Internet Connection

• 1 Mbps modem (Broadband connection highly recommended). Required for product activation, software updates and optional online features

Printer

• Any Windows-compatible inkjet or laser printer

Administrative rights required

Mac CD/Download Products

Operating Systems

• macOS Mojave 10.14 or later

RAM

• 2 GB or more recommended

Hard Disk Space

• 1 GB for TurboTax

Monitor

• 1024x768 or higher recommended

Internet Connection

• 1 Mbps modem (Broadband connection highly recommended). Required for product activation, software updates and optional online features

Printer

• Any Macintosh-compatible inkjet or laser printer