---
title: "How to Install a Modpack in Prism Launcher | Prism Launcher"
description: "Install a modpack in Prism Launcher by importing it as a new instance, then launching it unchanged first."
canonical: https://prismlauncher.ink/howto/install-a-modpack
updated: 2026-10-17
---

# How to install a modpack in Prism Launcher

Install a modpack in Prism Launcher by importing it as a new instance, then launching it unchanged first.

## Facts (2026-10-17)

- **Price:** Free and open source
- **Platform:** Windows, macOS, Linux
- **Purpose:** Minecraft instance and modpack launcher
- **Download:** Installers and portable builds

## Importing a pack

Add the pack as a new instance from its file or source, let dependencies download, and launch it once before changing any mod.

## Related

- [Prism Launcher Modpacks & Mod Downloader](https://prismlauncher.ink/modpacks)
- [Create your first Prism Launcher instance](https://prismlauncher.ink/setup/first-instance)
- [How to add mods to a Prism Launcher instance](https://prismlauncher.ink/howto/add-mods-to-an-instance)

## Download

Free and open source: [Download Prism Launcher](https://prismlauncher.ink/download)

Markdown mirror: https://prismlauncher.ink/howto/install-a-modpack.md