Inquisit Lab turns a Windows or Mac computer into a local psychological testing platform for administering and programming psychology experiments, with data saved locally to the device and support for custom tests and integration with EEG, fMRI, and eye trackers.
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Frequently asked questions
Is Inquisit free?
Inquisit is proprietary software from Millisecond. Check the publisher's license terms for pricing and usage rights.
What is the latest version of Inquisit?
The latest version is 7.3.2, released on Sep 28, 2026.
Is it safe to download Inquisit?
The download button links to the official installer published on inquisit.millisecond.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 36a4a4ad4471814e1adc3d02e90872c0a6623970b7b816d211eff9665066836f.
Which Windows versions does Inquisit support?
Inquisit runs on Windows and is available for 64-bit (x64) systems.
How do I install Inquisit silently?
Run the offline installer with "Inquisit_732.exe" /exenoui /quiet /norestart, or install it with Windows Package Manager: winget install --id=Millisecond.InquisitLab.7 -e --silent.
How do I uninstall Inquisit?
Open Settings › Apps › Installed apps, find Inquisit and select Uninstall. From the command line, run winget uninstall --id=Millisecond.InquisitLab.7 -e.
What file types can Inquisit open?
Inquisit supports 11 file types, including .dat, .exp, .iiq, .inq, .iqdat, .iqdatc, .iqjs, .iqjsc and more.
Alternatives to Inquisit
Other Development kits programs for Windows from different developers.
Selebrow is an open-source tool that simplifies running UI tests with WebDriver-based frameworks like Selenium, Selenide, WebdriverIO (wdio), and Playwright.
Renode is an open source software development framework with commercial support from Antmicro that lets you develop, debug and test multi-node device systems reliably, scalably and effectively.