Common IT Questions

What is required to install TestFit?

TestFit is installed by downloading a Windows Installer Package (.msi) or MacOS Installer (.pkg) from our website.  Once downloaded, the installation will require administrator privileges to complete.

TestFit System Requirements

Operating System Windows 8+ or MacOS 10.15+
CPU 64-bit Intel i-Series processor or AMD equivalent with SSE4.1 technology
GPU Nvidia GeForce 400 Series or newer, AMD Radeon HD 5000 Series and newer, Intel HD Graphics in Intel Ivy Bridge processors and newer
Memory 4GB total
Disk Space 100MB free

*We like to joke that TestFit will run on a potato

Does TestFit require an internet connection?


Each time the application launches, it will send a request to our server to ensure your license is valid.

Using the map, requesting 3D context buildings, and submitting feedback all require an internet connection.

What domains need to be whitelisted?

The following domains should be whitelisted to ensure license checks and software updates work properly:


What kind of data does TestFit collect?

See our Privacy Policy for details on what data is collected both manually and automatically.

We store the plans our users provide when they either save data online using the 'Save to Cloud' menu or submit feedback through the 'Help' menu inside TestFit.  Both options are completely voluntary.

Where is my data stored?

TestFit uses several types of files to store plans, unit databases, zoning profiles, etc.  Except as mentioned above, all files created within TestFit are stored offline on your own hard drive.  You keep complete control over your data.

Can I change the resolution of TestFit?

Yes. the scale of the TestFit UI can be changed in File > Preferences.