Prism Launcher Modpacks & Mod Downloader
Download and update modpacks from Modrinth, CurseForge, FTB, Technic, and ATLauncher directly inside Prism Launcher on Windows.
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).
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.

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.
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).
Free and open source. Sign in with the Microsoft account that owns Minecraft, then create your first instance.
