Monte Carlo eXtreme, or MCX, is a Monte Carlo photon simulator for modeling light transport in 3D turbid media. It uses NVIDIA graphics processing units (GPUs) to simulate thousands of photons simultaneously, making it one of the fastest and most accurate photon modeling tools.
What's new in v2025.10.20
New Features
[Feature] initial i18n support for international languages in mcx binary
[Feature] mcxstudio support for French, German, Spanish, Italian, Japanese, Korean, Portuguese and Chinese
[Feature] choosing language in windows installer
[Feature] porting additional matlab functions to Python
[Feature] multiple source replay
[Bug fix] fixing mcxstudio bug to render column major output data
Yes. MCX Studio is free and open-source software released under the GNU General Public License v3.0 (GPL-3.0) license.
What is the latest version of MCX Studio?
The latest version is v2025.10.20.
Is it safe to download MCX Studio?
The download button links to the official installer published on mcx.space, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 5bd000315a121e4d493fbb1b35288fa4e6bbf25755d04c8fe73eac2d3909deab.
Which Windows versions does MCX Studio support?
MCX Studio runs on Windows and is available for 64-bit (x64) systems.
How do I install MCX Studio silently?
Run the offline installer with "MCXStudio-v2025.10.20-installer.exe" /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-, or install it with Windows Package Manager: winget install --id=coti.mcxstudio -e --silent.
How do I uninstall MCX Studio?
Open Settings › Apps › Installed apps, find MCX Studio and select Uninstall. From the command line, run winget uninstall --id=coti.mcxstudio -e.