Download Forge 1.21.6 Server

The Forge server JAR for Minecraft 1.21.6, direct from the official source. Build details, release date and Java requirements below.

Java required

Java 21

Released

Jun 17, 2025

Build

56.0.9

Channel

Stable

Latest stable build

1.21.6

Build 56.0.9

Download installer

Setup

Installation

1. Download the installer JAR above
2. Run: java -jar forge-installer.jar --installServer
3. Accept the EULA (eula.txt)
4. Run ./run.sh (Linux/macOS) or run.bat (Windows)

Want it hosted for you?

Keeping a Minecraft server online 24/7 with backups, DDoS protection and tuned performance is a full-time job. DoomHosting does it for you — instant setup, free subdomain, automatic backups, DDoS protection and 24/7 support.

Instant Deployment DDoS Protection Free Backups

Other Minecraft 1.21 builds of Forge

Other builds in the 1.21.x line. The newest stable is selected by default above.

1.21.11 1.21.10 1.21.9 1.21.8 1.21.7 1.21.5 1.21.4 1.21.3 1.21.1 1.21

← Back to Forge downloads