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lunar-client-minecraft-launcher

Installs and configures Lunar Client for Minecraft with FPS optimization and PvP mods via PowerShell.

4|Updated May 16, 2026
Search Tags:#PowerShell#Windows#minecraft#launcher#fps optimization#lunar client#pvp mods
One-click install
npx skills add https://github.com/reason-machines/devtools-skills --skill lunar-client-minecraft-launcher-reason-machines
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: lunar-client-minecraft-launcher
Source: https://github.com/reason-machines/devtools-skills/tree/main/skills/lunar-client-minecraft-launcher
Command: npx skills add https://github.com/reason-machines/devtools-skills --skill lunar-client-minecraft-launcher-reason-machines

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Setting up Lunar Client for Minecraft involves manual downloads, administrator configuration, JSON config editing, and troubleshooting crashes or FPS issues, which is tedious and error-prone on Windows. ## Core Features & Use Cases - Automated Installation: Download, extract, and configure Lunar Client with a single PowerShell script including FPS boost and PvP mod presets. - Performance Profiles: Apply Ultra, Balanced, Performance, or Potato modes plus tuned Java JVM arguments for frame rate optimization. - Troubleshooting Workflows: Diagnose launcher startup failures, mod loading issues, crashes, and Windows 11 compatibility problems. - Use Case: A competitive Minecraft player on Windows 11 runs the install script, applies the Performance profile with Sodium enabled, and launches version 1.20.4 with PvP HUD mods preconfigured. ## Quick Start Install Lunar Client on my Windows machine and configure it with the Performance profile and PvP mods enabled.

Frequently Asked Questions about lunar-client-minecraft-launcher

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I install Lunar Client for Minecraft with PowerShell?▼

Download the LunarClient.zip release with Invoke-WebRequest, extract it to $env:LOCALAPPDATA\LunarClient with Expand-Archive, then run LunarClient.exe as administrator. The provided Install-LunarClient.ps1 script automates the full process including initial config.json setup.

How to boost FPS in Lunar Client on Windows 11?▼

Enable fps_boost in config.json, set render_distance to 8, disable vsync and smooth_lighting, and enable the Sodium mod with advanced rendering. The Optimize-LunarPerformance.ps1 script applies a Performance profile plus tuned G1GC Java arguments automatically.

Can I use Sodium and Optifine together in Lunar Client?▼

No, Sodium and Optifine are mutually exclusive and conflict with each other. Enable only one in the mods section of config.json; Sodium is recommended for performance-focused setups with advanced rendering and chunk multidraw.

Why does Lunar Client fail to start on Windows?▼

Startup failures usually come from missing administrator privileges, antivirus blocks, or outdated .NET Framework. Run the launcher elevated, add an exclusion via Add-MpPreference, and verify .NET Framework 4.7.2 or higher is installed.

How do I fix Lunar Client crashes after an update?▼

Clear the cache directories under $env:LOCALAPPDATA\LunarClient and check the latest.log for ERROR or Exception entries. If an update failed, restore from the backup directory created by the Update-LunarClient function and reapply your saved config.json.

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