Why Launcher

How to install NeoForge for Minecraft

NeoForge is the continuation of Forge, founded in 2023 by most of its developers. For newer Minecraft versions — 1.20.2 and up — many popular mods are released on NeoForge.

Way 1

With Why Launcher — in a minute

  1. Download and install Why Launcher.
  2. Open Сборки (Profiles) → Создать сборку (Create profile), pick a Minecraft version and the NeoForge loader.
  3. Press Создать (Create), then Играть (Play): NeoForge and Java download by themselves.

In an existing profile NeoForge installs with the button on the loader bar in Моды, паки и скины (Mods, packs and skins). The Why Launcher interface is in Russian, so button names are given in Russian with a translation.

Loader buttons in Why Launcher: Fabric, Forge, NeoForge, Quilt and OptiFine
Loader buttons in Why Launcher: Fabric, Forge, NeoForge, Quilt and OptiFine

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Way 2

Manually with the official installer

  1. Run the version you need in the official Minecraft Launcher at least once.
  2. Open neoforged.net. In the download form on the home page pick the Minecraft version and the NeoForge version and download the installer — neoforge-…-installer.jar. The number hints at the game version: NeoForge 21.1 is for Minecraft 1.21.1.
  3. Run the file. If the file opens as an archive or doesn’t start at all, the computer has no Java: install it from adoptium.net (Temurin, LTS version) and run the file again.
  4. Choose Install client and press OK.
  5. In the official launcher pick the NeoForge installation and press Play. Mods go into %APPDATA%\.minecraft\mods.

If something goes wrong

  • For 1.20.1 use Forge: almost all mods for that version are released on Forge.
  • Forge mods don’t run on newer NeoForge, and vice versa. Modrinth and CurseForge always list the loader for each file.
  • Shaders on NeoForge work through Iris. See the shaders guide.

FAQ

Forge or NeoForge — which one?

Whichever your mods are made for. For 1.20.1 and older it’s usually Forge, for 1.20.2 and newer usually NeoForge.

Can I move worlds from Forge to NeoForge?

A vanilla world opens anywhere. A modded world opens only with the same mods — some blocks may vanish when you switch loaders, so make a copy first.

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