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Technical Requirements

What you need to run our tax software

Our technical requirements list

Here's what you need to run the latest version of DT Professional Suite software.

Operating system

Windows 7 SP1 or later*, Windows 8 or 8.1, Windows 10.

*End of support for Windows 7 and Windows Server 2008 / 2008 R2

Microsoft announced that they will end support for Windows 7, Windows Server 2008, and Windows Server 2008 R2 on January 14, 2020. They will no longer provide security updates or technical support for systems running Windows 7 or 2008/2008 R2 servers after January 14. See Microsoft's Windows 7 announcement and Windows Server 2008/2008 R2 announcement for more information.

Hard disk space

700MB of free disk space required.


Laser printer recommended.


Required for downloading updates and efiling, high speed recommended.

We recommend that all users get Adobe Reader, which enables you to view and print files in PDF format.

Software for Accounting Firms & Tax Professionals

The DT Professional Suite provides tax and accounting solutions designed to increase your firm’s efficiency and profitability. It’s everything you need to power smoother workflows, make more informed decisions, improve client service and achieve better results.