Download NeoForge 1.21.11 Server

The NeoForge server JAR for Minecraft 1.21.11, direct from the official source. Build details, release date and Java requirements below.

Java required

Java 21

Released

Dec 9, 2025

Build

21.11.42

Channel

Stable

Latest stable build

1.21.11

Build 21.11.42

Download installer

Setup

Installation

1. Download the installer JAR above
2. Run: java -jar neoforge-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 NeoForge

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

1.21.10 1.21.9 1.21.8 1.21.7 1.21.6 1.21.5 1.21.4 1.21.3 1.21.2 1.21.1 1.21.0

← Back to NeoForge downloads