Here are the minimum system requirements for TurboTax 2016 through 2019 software for Windows Basic, Deluxe, Premier, Home & Business, and Business editions. We no longer sell or support TurboTax for 2015 or earlier tax years.

Operating System

• 2019: Windows 10, Windows 8.0/8.1. Although TurboTax 2019 will install on Windows 7 (Service Pack 1 or later), we strongly recommend upgrading your operating system before installing. More info
• 2017 and 2018: Windows 10, Windows 8.0/8.1, or Windows 7 (Service Pack 1 or later)
• 2016: Windows 10, Windows 8.0/8.1, Windows 7 (Service Pack 1 or later), or Windows Vista (Service Pack 2 or later)

Administrator rights are required to install and run TurboTax.

Processor: Pentium 4 or Athlon or later

Hard Drive Space

• 2019: 2 GB, plus up to 4.5 GB for Microsoft.NET 4.5.2 client if not already installed
• 2016, 2017, and 2018: 650 MB, plus up to 4.5 GB for Microsoft.NET 4.5.2 client if not already installed

RAM

• 2019: 2 GB or more recommended
• 2016, 2017, and 2018: 1 GB or more recommended

CD/DVD drive if installing from the CD.

Internet connection

• 2019: 1 MBps recommended speed. Internet connection is required for product activation and updates.
• 2016, 2017, and 2018: 56 Kbps to e-file and download updates (broadband recommended).

Monitor resolution: 1024x768 or higher recommended

To view your tax forms onscreen, you'll need Adobe Reader 11 or higher (plus a Windows-compatible printer if you want to print paper copies).

Note: If you just meet the minimum system requirements, TurboTax may run sl