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En Croissant is available for Windows, macOS, and Linux. This guide will walk you through downloading and installing the application on your platform.

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Download

The latest version of En Croissant can be downloaded from the official website: www.encroissant.org/download The download page will automatically detect your operating system and recommend the appropriate installer.

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System requirements

Before installing, ensure your system meets the following requirements:
  • Operating System: Windows 10+, macOS 10.15+, or Linux (modern distributions)
  • RAM: 4GB minimum, 8GB recommended
  • Storage: 500MB for application, plus additional space for databases and games
  • Display: 1280x720 minimum resolution

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Installation by platform

1

Choose your platform

Select the installation instructions for your operating system below.
2

Windows

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Windows installation

  1. Download the .msi or .exe installer from the download page
  2. Double-click the downloaded installer file
  3. Follow the installation wizard prompts
  4. Click “Install” and wait for the installation to complete
  5. Launch En Croissant from the Start menu or desktop shortcut
Windows may show a SmartScreen warning for new releases. Click “More info” and then “Run anyway” to proceed with the installation.
3

macOS

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macOS installation

  1. Download the .dmg file from the download page
  2. Open the downloaded .dmg file
  3. Drag the En Croissant icon to your Applications folder
  4. Open Applications and double-click En Croissant to launch
On first launch, macOS may block the app because it’s from an unidentified developer. Go to System Preferences > Security & Privacy and click “Open Anyway” to allow En Croissant to run.
4

Linux

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Linux installation

En Croissant is available in multiple formats for Linux:

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AppImage (Universal)

  1. Download the .AppImage file from the download page
  2. Make it executable:
chmod +x en-croissant*.AppImage
  1. Run the AppImage:
./en-croissant*.AppImage

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Debian/Ubuntu (.deb)

  1. Download the .deb package
  2. Install using dpkg:
sudo dpkg -i en-croissant*.deb
sudo apt-get install -f  # Install any missing dependencies
For other Linux distributions, the AppImage format provides the best compatibility and requires no installation.
5

First launch

When you launch En Croissant for the first time:
  1. The application window will open with a welcome screen
  2. You’ll see cards for different actions like “Play Chess,” “Analysis Board,” and “Import Game”
  3. The app will create a default directory for storing your chess files in your Documents folder
  4. You’re ready to start using En Croissant!
Continue to the Quickstart Guide to learn how to use the application.

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Building from source

If you prefer to build En Croissant from source or want to contribute to development, see the Building from Source guide for detailed instructions.

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Updating

En Croissant includes an automatic updater that will notify you when new versions are available. When an update is available:
  1. A notification will appear in the application
  2. Click the notification to download and install the update
  3. Restart the application to complete the update
You can manually check for updates at any time by going to Help > Check for Updates in the application menu.

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Troubleshooting

If you encounter issues during installation:
  • Windows: Ensure you have administrator privileges and that antivirus software isn’t blocking the installer
  • macOS: Check System Preferences > Security & Privacy if the app won’t open
  • Linux: Make sure you have the required system libraries installed
For additional help, join the Discord community or check the GitHub issues.

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