Desktop application¶
Use native file dialogs and work directly with projects on your computer.
Download¶
Latest version 2026.11.0 (10 Nov 2026)
Select AI assistant during setup. See the AI assistant guide for sign-in and plan requirements. You can add or remove the component later with EasyDiffraction Maintenance Tool. Restart EasyDiffraction after changing the installed components.
Install and update¶
EasyDiffraction comes with all required application dependencies. Download and extract the whole ZIP for your platform. The online installer needs an internet connection. The installers are not signed yet: on macOS, open the installer once, then select Open Anyway in System Settings → Privacy & Security.
- Open the extracted installer app.
- If macOS blocks it, click Done. In System Settings → Privacy & Security, scroll to Security, select Open Anyway, and confirm. This applies to the installer you just opened. Apple’s instructions
- Follow setup. The suggested folder is
/Applications/EasyDiffraction.
- Right-click the ZIP and select Extract All, then open the installer
.exe. - If Microsoft Defender SmartScreen warns about the installer, use More info → Run anyway if Windows offers it and you downloaded the installer using the links above. Smart App Control can block unsigned apps without offering a per-app exception. Microsoft’s Smart App Control guide
- Follow setup to choose the installation folder.
- Keep the extracted
.runfile beside theinstaller-runtimefolder. -
In a terminal opened in that folder, make the installer executable and run it.
chmod +x ./EasyDiffraction-*-linux-x86_64-online.run ./EasyDiffraction-*-linux-x86_64-online.run -
Follow setup to choose the installation folder.
EasyDiffraction checks for updates at startup and hourly while it is open. To check on demand, open Preferences → Updates and select Check now.
When a newer release is available, select the red Update button at the bottom left to review the release notes and start the update. Notify about updates also opens the notes automatically when a new version is found. The updater installs into your existing location. On the next launch, What's new shows the changes since your previous version.
Open local projects¶
Choose Open project… and select a folder or zip archive. You can also drop a project folder, its project.edi file or a zip archive onto the application window.
An archive opens as a temporary working copy. Save updates the archive when it is writable; otherwise the app asks where to save it.
Save and share¶
Save project as… writes a folder or zip archive. Select Save a copy to write to another location while continuing in the original project.
Use a folder to access individual model and result files, or a zip archive to move the complete project. Reports are saved in the project's reports/ folder, inside the archive when the project is a zip. When the project cannot be written back, such as an example or a read-only archive, the app first asks where to save it.
The application layout and example fit apply to both desktop and web versions.