Inquisit 7.3.2

Psychological experiment software for research

  • By Millisecond
  • Proprietary
  • Updated Sep 28, 2026
Download for Windows

About Inquisit

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.

Technical details

PublisherMillisecond
AuthorMillisecond Software, LLC
Version7.3.2
Release date2026-09-28
LicenseProprietary
Installer typeexe
Architecturex64
Package IDMillisecond.InquisitLab.7
Install scopeAll users

Install Inquisit from the command line

Install with Windows Package Manager
winget install --id=Millisecond.InquisitLab.7 -e
Update to the latest version
winget upgrade --id=Millisecond.InquisitLab.7 -e
Uninstall
winget uninstall --id=Millisecond.InquisitLab.7 -e
Silent install with the offline installer
"Inquisit_732.exe" /exenoui /quiet /norestart
Install to a custom folder
"Inquisit_732.exe" APPDIR="D:\Apps\Inquisit"
Uninstall the MSI package
msiexec /x {155EBA32-FD6B-4931-9245-FA33459227C8} /quiet

behavioral-researchexperiment-builderexperimentspsychologyresearchtesting

File types supported by Inquisit

Inquisit can open or be associated with 11 file types:

.dat.exp.iiq.inq.iqdat.iqdatc.iqjs.iqjsc.iqx.iqxc.iqzip

Inquisit version history

7.2.0 Jul 9, 2026

Enabled html content in buttons
Bug fixes
Platform updates

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.