Installation en

Installation

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简体中文: Installation · English

Download

Download the JAR matching the Minecraft version and loader from GitHub Releases or CurseForge:

Loader	Download choice
Fabric	Select the JAR for Fabric
Forge	Select the JAR for Forge
NeoForge	Select the JAR for NeoForge

Installation steps

1. Download the JAR for the required loader.
2. Place the JAR in the client or dedicated server's mods/ directory.
3. Start the game or server. Configuration files are generated automatically at the following locations:

Side	Configuration files
Client	config/hassium/hassium-client.toml
Dedicated server	config/hassium/hassium-server.toml

Required dependencies

Loader	Required dependency
Fabric	Fabric API
Forge	No additional dependency
NeoForge	No additional dependency

Installing on the client and server

Installation	Result
Installed on both client and server	Recommended; enables negotiated compression and caching
Installed on the client only	Client caching is still available
Installed on the server only	Clients without the mod can still connect by default

Configuration

• Fabric: install Mod Menu and Cloth, then open the configuration from Mod Menu.
• Forge / NeoForge: click the Configure button in the mods list; Cloth is required.
• TOML files can also be edited directly: config/hassium/hassium-client.toml or config/hassium/hassium-server.toml.

Before enabling storage for the first time

Enabling storage for the first time changes the world save format. Back up the world before enabling it. See the FAQ for related handling guidance.

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