Windows 10 / 11
DownloadCatalyst.jar↓Windows
Native launcher built for Windows.
DOWNLOAD THE CLIENT
Choose your
platform.
Get the official Catalyst launcher for your system. Launchers update automatically, so you are always ready for the latest content.
LAUNCHER VERSION1.0.3 Current release
Intel & Apple silicon
DownloadCatalyst.jar↓macOS
Native launcher built for macOS.
64-bit AppImage
DownloadCatalyst.jar↓Linux
Native launcher built for Linux.
Java 17 or newer
DownloadCatalyst.jar↓Universal JAR
Works on any desktop with a supported Java installation.
01
→Create an account
Register on the website using your chosen in-game name.
02
→Install the launcher
Download the correct version for your operating system.
03
Enter the realm
Launch Catalyst, sign in, and begin your adventure.
Having trouble launching?
The universal JAR requires Java 17 or newer. On macOS, approve the launcher under Privacy & Security if prompted.