---
title: "Prism Launcher Modpacks — Modrinth, CurseForge, FTB & Technic Browser | Prism Launcher for Windows"
description: "Download and update modpacks from Modrinth, CurseForge, FTB, Technic, and ATLauncher directly inside Prism Launcher on Windows. Open-source Minecraft launcher for Windows 10 and 11. Download at /download."
canonical: https://prismlauncher.ink/modpacks
updated: 2026-10-17
---

# Prism Launcher Modpacks & Mod Downloader

Download and update modpacks from Modrinth, CurseForge, FTB, Technic, and ATLauncher directly inside Prism Launcher on Windows.

## Facts (2026-10-17)

- **Section:** Modpacks
- **Platform:** Windows 10 & Windows 11 (x64 / ARM64)
- **Mod Platforms:** Modrinth, CurseForge, FTB, Technic, ATLauncher
- **Installer:** Available at /download

## How Prism Launcher Modpacks & Mod Downloader works on Windows

Download and update modpacks from Modrinth, CurseForge, FTB, Technic, and ATLauncher directly inside Prism Launcher on Windows. One-click `.mrpack` and CurseForge ZIP installation with automatic dependency resolution and blocked-mod file detection.

Prism Launcher is a fast, lightweight C++/Qt launcher that keeps every Minecraft profile in its own isolated instance folder, with zero ads and no background bloatware.

Get the Windows installer or portable ZIP from [/download](https://prismlauncher.ink/download), or dive into the guides linked below.

## Key advantages for modded Minecraft

- **One-Click Mod Loaders:** Switch between [Fabric, NeoForge, Forge, and Quilt](https://prismlauncher.ink/loaders) inside any instance's Version tab.
- **Built-in Mod & Modpack Browser:** Search and update [Modrinth and CurseForge modpacks](https://prismlauncher.ink/modpacks), shaders, and resource packs directly inside the app.
- **Automatic Java Management:** Pair [Java 21, Java 17, and Java 8](https://prismlauncher.ink/java) per instance so modern 1.21 packs and classic 1.12.2 packs both launch cleanly.

## Pages in Prism Launcher Modpacks & Mod Downloader

- [Fabulously Optimized on Prism Launcher](https://prismlauncher.ink/modpacks/fabulously-optimized) — Flagship Fabric performance and OptiFine-parity modpack offering massive FPS gains, shaders, connected textures, and controller support. Runs on Fabric (1.16.5 – 1.21.4) with 2 GB – 4 GB RAM and Java 21 (for 1.20.5+).
- [Fabulously Optimized: FPS & Crash Fix Guide](https://prismlauncher.ink/modpacks/fabulously-optimized-fps-and-crash-fix) — Memory tuning (2 GB – 4 GB), Java 21 (for 1.20.5+) setup, and crash troubleshooting for Fabulously Optimized in Prism Launcher.
- [All the Mods 10 (ATM10) & ATM9 on Prism Launcher](https://prismlauncher.ink/modpacks/all-the-mods-10-atm10) — Kitchen-sink tech, magic, and exploration progression pack featuring 400+ mods and custom endgame ATM Star crafting. Runs on NeoForge (1.21.1) / Forge (1.20.1) with 8 GB – 10 GB (8192 MB) RAM and Java 21 (ATM10) / Java 17 (ATM9).
- [All the Mods 10 (ATM10) & ATM9: FPS & Crash Fix Guide](https://prismlauncher.ink/modpacks/all-the-mods-10-atm10-fps-and-crash-fix) — Memory tuning (8 GB – 10 GB (8192 MB)), Java 21 (ATM10) / Java 17 (ATM9) setup, and crash troubleshooting for All the Mods 10 (ATM10) & ATM9 in Prism Launcher.
- [Cobblemon Official Modpack on Prism Launcher](https://prismlauncher.ink/modpacks/cobblemon-modpack) — Open-source creature-catching modpack blending seamlessly into vanilla Minecraft biomes with custom animations and competitive battles. Runs on Fabric or NeoForge (1.20.1 / 1.21.1) with 4 GB – 6 GB RAM and Java 17 or Java 21.
- [Cobblemon Official Modpack: FPS & Crash Fix Guide](https://prismlauncher.ink/modpacks/cobblemon-modpack-fps-and-crash-fix) — Memory tuning (4 GB – 6 GB), Java 17 or Java 21 setup, and crash troubleshooting for Cobblemon Official Modpack in Prism Launcher.
- [Prominence II RPG on Prism Launcher](https://prismlauncher.ink/modpacks/prominence-ii-rpg) — Story-driven combat and talent-tree RPG modpack with custom bosses, dimensions, and multiplayer party scaling. Runs on Fabric (1.20.1) with 6 GB – 8 GB RAM and Java 17.
- [Prominence II RPG: FPS & Crash Fix Guide](https://prismlauncher.ink/modpacks/prominence-ii-rpg-fps-and-crash-fix) — Memory tuning (6 GB – 8 GB), Java 17 setup, and crash troubleshooting for Prominence II RPG in Prism Launcher.
- [RLCraft & RLCraft Dregora on Prism Launcher](https://prismlauncher.ink/modpacks/rlcraft-dregora) — Notoriously challenging survival overhaul on Minecraft 1.12.2 requiring 64-bit Java 8 and tuned heap allocation. Runs on Forge (1.12.2) with 6 GB – 8 GB RAM and Java 8 (64-bit Temurin 1.8.0).
- [RLCraft & RLCraft Dregora: FPS & Crash Fix Guide](https://prismlauncher.ink/modpacks/rlcraft-dregora-fps-and-crash-fix) — Memory tuning (6 GB – 8 GB), Java 8 (64-bit Temurin 1.8.0) setup, and crash troubleshooting for RLCraft & RLCraft Dregora in Prism Launcher.
- [Better MC (BMC4 / BMC5) on Prism Launcher](https://prismlauncher.ink/modpacks/better-mc-bmc4) — Vanilla-plus adventure overhaul adding dozens of new biomes, dungeons, dragons, and quality-of-life dimensions. Runs on Fabric / Forge / NeoForge with 6 GB – 8 GB RAM and Java 17 or Java 21.
- [Better MC (BMC4 / BMC5): FPS & Crash Fix Guide](https://prismlauncher.ink/modpacks/better-mc-bmc4-fps-and-crash-fix) — Memory tuning (6 GB – 8 GB), Java 17 or Java 21 setup, and crash troubleshooting for Better MC (BMC4 / BMC5) in Prism Launcher.
- [Create Modpacks (Create: Perfect World / Ultimate Selection) on Prism Launcher](https://prismlauncher.ink/modpacks/create-perfect-world-above-and-beyond) — Rotational-power engineering packs centered around kinetic contraptions, trains, and automated factories. Runs on Forge / Fabric (1.20.1) with 5 GB – 8 GB RAM and Java 17.
- [Create Modpacks (Create: Perfect World / Ultimate Selection): FPS & Crash Fix Guide](https://prismlauncher.ink/modpacks/create-perfect-world-above-and-beyond-fps-and-crash-fix) — Memory tuning (5 GB – 8 GB), Java 17 setup, and crash troubleshooting for Create Modpacks (Create: Perfect World / Ultimate Selection) in Prism Launcher.

## FAQ

### Where do I download Prism Launcher for Windows?

Download the Windows installer or portable package directly from [/download](https://prismlauncher.ink/download) on this host.

### Does Prism Launcher work with both Modrinth and CurseForge?

Yes. You can install complete modpacks or mix individual mods from both Modrinth and CurseForge inside the same instance.

## Related

- [Fabulously Optimized on Prism Launcher](https://prismlauncher.ink/modpacks/fabulously-optimized)
- [Fabulously Optimized: FPS & Crash Fix Guide](https://prismlauncher.ink/modpacks/fabulously-optimized-fps-and-crash-fix)
- [All the Mods 10 (ATM10) & ATM9 on Prism Launcher](https://prismlauncher.ink/modpacks/all-the-mods-10-atm10)
- [All the Mods 10 (ATM10) & ATM9: FPS & Crash Fix Guide](https://prismlauncher.ink/modpacks/all-the-mods-10-atm10-fps-and-crash-fix)
- [Cobblemon Official Modpack on Prism Launcher](https://prismlauncher.ink/modpacks/cobblemon-modpack)

## Download

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

Markdown mirror: https://prismlauncher.ink/modpacks.md