---
title: "All the Mods 10 (ATM10) & ATM9 in Prism Launcher — Install, RAM & Java Guide"
description: "How to install and run All the Mods 10 (ATM10) & ATM9 (CurseForge) in Prism Launcher on Windows. Recommended RAM: 8 GB – 10 GB (8192 MB), Java: Java 21 (ATM10) / Java 17 (ATM9)."
canonical: https://prismlauncher.ink/modpacks/all-the-mods-10-atm10
updated: 2026-10-17
---

# All the Mods 10 (ATM10) & ATM9 on Prism Launcher

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).

## Facts (2026-10-17)

- **Modpack:** All the Mods 10 (ATM10) & ATM9
- **Source Platform:** CurseForge
- **Mod Loader:** NeoForge (1.21.1) / Forge (1.20.1)
- **Recommended RAM:** 8 GB – 10 GB (8192 MB)
- **Java Requirement:** Java 21 (ATM10) / Java 17 (ATM9)

## How to install All the Mods 10 (ATM10) & ATM9 in Prism Launcher

Kitchen-sink tech, magic, and exploration progression pack featuring 400+ mods and custom endgame ATM Star crafting.

Click **Add Instance** on the Prism Launcher toolbar, choose **CurseForge** on the left sidebar, search for **All the Mods 10 (ATM10) & ATM9**, and click **OK**. Prism downloads the manifest and all mod JARs into an isolated instance folder.

## Recommended Java and memory settings on Windows

- **Java runtime:** Java 21 (ATM10) / Java 17 (ATM9). Configure this under [Java Settings](https://prismlauncher.ink/java) so the pack does not fail the startup compatibility check.
- **Memory allocation:** Set Maximum Memory (`-Xmx`) to **8 GB – 10 GB (8192 MB)** under Edit Instance → Settings → Memory.
- **Need the app?** Grab the Windows installer or portable build from [/download](https://prismlauncher.ink/download).

## FAQ

### What if CurseForge blocks a few mods while installing All the Mods 10 (ATM10) & ATM9?

Prism Launcher opens the download pages for any blocked mods and watches your Windows `Downloads` folder automatically — click Download in your browser and Prism moves the files into place.

### How much RAM does All the Mods 10 (ATM10) & ATM9 need?

Allocate 8 GB – 10 GB (8192 MB) under Edit Instance → Settings → Memory, and ensure you are running 64-bit Java 21 (ATM10) / Java 17 (ATM9).

## Related

- [Prism Launcher Modpacks & Mod Downloader](https://prismlauncher.ink/modpacks)
- [How Prism Launcher's Automatic Downloads Watcher Handles Blocked CurseForge Mods](https://prismlauncher.ink/modpacks/fix-curseforge-blocked-mods-download-popup)
- [How to Allocate More RAM to Minecraft in Prism Launcher](https://prismlauncher.ink/java/how-to-allocate-more-ram-in-prism-launcher)
- [Prism Launcher Instance Management](https://prismlauncher.ink/instances)
- [Fabulously Optimized on Prism Launcher](https://prismlauncher.ink/modpacks/fabulously-optimized)

## Download

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

Markdown mirror: https://prismlauncher.ink/modpacks/all-the-mods-10-atm10.md