---
title: "Prism Launcher Deep Dives — Pre-Launch Hooks, Symlinks, Steam Deck & CatPacks | Prism Launcher for Windows"
description: "Advanced guides on pre-launch and post-exit scripts, shared screenshot symlinks, portable USB setups, and custom launcher themes. Open-source Minecraft launcher for Windows 10 and 11. Download at /download."
canonical: https://prismlauncher.ink/topics
updated: 2026-10-17
---

# Prism Launcher Technical Topics

Advanced guides on pre-launch and post-exit scripts, shared screenshot symlinks, portable USB setups, and custom launcher themes.

## Facts (2026-10-17)

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

## How Prism Launcher Technical Topics works on Windows

Advanced guides on pre-launch and post-exit scripts, shared screenshot symlinks, portable USB setups, and custom launcher themes. Power-user customization and automation features built into Prism Launcher on Windows.

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 Technical Topics

- [Using Windows Symlinks to Share Screenshots or Schematic Folders Across Instances](https://prismlauncher.ink/topics/sharing-saves-and-screenshots-across-instances-symlinks) — Practical Windows guide for "share screenshots and saves across prism instances": instance setup, Java configuration, and mod management in Prism Launcher.
- [Running a Fully Self-Contained Portable Prism Launcher + Java on an External SSD](https://prismlauncher.ink/topics/running-prism-launcher-off-a-portable-usb-ssd) — Practical Windows guide for "portable prism launcher on usb drive": instance setup, Java configuration, and mod management in Prism Launcher.
- [Customizing UI Themes, Icon Packs & CatPacks in Prism Launcher](https://prismlauncher.ink/topics/custom-themes-dark-mode-and-catpacks-in-prism) — Practical Windows guide for "prism launcher themes catpacks": instance setup, Java configuration, and mod management in Prism Launcher.
- [Automating World Backups with Prism Launcher Pre-Launch & Post-Exit Scripts](https://prismlauncher.ink/topics/pre-launch-hooks-for-automatic-world-git-backups) — Practical Windows guide for "prism launcher pre launch post exit command": instance setup, Java configuration, and mod management in Prism Launcher.
- [Generational ZGC (`-XX:+UseZGC -XX:+ZGenerational`) vs G1GC on Minecraft 1.21+](https://prismlauncher.ink/topics/generational-zgc-vs-g1gc-on-java-21-minecraft) — Practical Windows guide for "minecraft java 21 zgc vs g1gc prism launcher": instance setup, Java configuration, and mod management in Prism Launcher.
- [Essential Performance Mods to Pair with Every Prism Launcher Instance](https://prismlauncher.ink/topics/ferritecore-modernfix-and-lithium-ram-optimization) — Practical Windows guide for "best performance mods prism launcher": instance setup, Java configuration, and mod management 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

- [Using Windows Symlinks to Share Screenshots or Schematic Folders Across Instances](https://prismlauncher.ink/topics/sharing-saves-and-screenshots-across-instances-symlinks)
- [Running a Fully Self-Contained Portable Prism Launcher + Java on an External SSD](https://prismlauncher.ink/topics/running-prism-launcher-off-a-portable-usb-ssd)
- [Customizing UI Themes, Icon Packs & CatPacks in Prism Launcher](https://prismlauncher.ink/topics/custom-themes-dark-mode-and-catpacks-in-prism)
- [Automating World Backups with Prism Launcher Pre-Launch & Post-Exit Scripts](https://prismlauncher.ink/topics/pre-launch-hooks-for-automatic-world-git-backups)
- [Generational ZGC (`-XX:+UseZGC -XX:+ZGenerational`) vs G1GC on Minecraft 1.21+](https://prismlauncher.ink/topics/generational-zgc-vs-g1gc-on-java-21-minecraft)

## Download

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

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