Installation Instructions

Choose your preferred install method below.

Install Forge or Fabric for your chosen Minecraft version from their official websites.
Download WieselClient-v3.2.1-1.21.11.jar from the button above.
Move the JAR file into your .minecraft/mods folder. Create the folder if it does not exist.
Open the Minecraft Launcher and select the Forge or Fabric profile from the dropdown.
Launch Minecraft. Once in-game, press INSERT to open the Wiesel Client GUI and enable modules.

Download WieselClient-v3.2.1-1.21.11.jar to your desktop.
Launch Minecraft in the target version and enter a singleplayer world or server.
Double-click the JAR file or run: java -jar WieselClient-v3.2.1-1.21.11.jar inject
The injector will automatically attach to the running Minecraft process.
Press INSERT in-game to confirm successful injection and open the GUI.

Version History

Version	Released	MC Versions	Status	Changelog
v3.2.1	Mar 14, 2025	1.8.9, 1.12.2, 1.16.5, 1.21.x	Undetected	AutoCrystal Supreme v2 with pre-place AI; Bypass Engine v2 neural retrain; improved Silent Reach CCP
v3.1.0	Jan 29, 2025	1.8.9, 1.12.2, 1.16.5, 1.21.x	Undetected	Added Chest Dupe module; ESP 500m range upgrade; Scaffold Godbridging support; Vulcan bypass update
v3.0.5	Dec 8, 2024	1.8.9, 1.12.2, 1.16.5	Undetected	1.21.x Fabric support added; Bypass Engine v2 initial release; Grim 2.3 bypass patches
v2.9.2	Oct 22, 2024	1.8.9, 1.12.2, 1.16.5	Outdated	Kill Aura humanization engine overhaul; Item Dupe success rate improved to 100%; NoFall packet update
v2.8.0	Sep 3, 2024	1.8.9, 1.12.2	Outdated	AutoClicker Gaussian curve algorithm; Silent Fly rubber-band fix; Matrix AC bypass update