Client Downloads

Download and install the full game client to play MU Online for free.

Download the Game Client from the Mirrors

Select any of the mirrors below to download the InfinityMU client.

Game Client Issues and Their Solutions

(*) Open the Start menu, type Core Isolation in the search bar, and set the Memory Integrity option to Off. This should resolve any LiveGuard errors, allowing the game to run smoothly. Click here to view the tutorial on how to adjust the settings.
(*) Still having trouble running the game? Find solutions here: Fixes #1 and Fixes #2.
(*) Windows 11 and game don't start?
Turn off Memory integrity, read more : click here.

If your launcher is unable to update the game, download the patch, extract it over your client, and then run Launcher.exe from your InfinityMU client folder.

System Requirements

Please check your system specifications to ensure your setup is suitable for smooth gameplay.

Download Drivers

Ensure you have the latest drivers. The banner links below will guide you in updating the drivers most compatible with your system.

Download Microsoft Visual C++ Redistributable

*** Required Microsoft driver for smooth InfinityMU gameplay.

Microsoft Visual-C-Runtimes-All-in-One November 2024: download (Run install_all.bat as administrator to install all-in-one VC Runtimes)

Download .NET Framework (If You Having Issue with InfinityMU Launcher)

*** Required Driver from Microsoft in order to play InfinityMU smoothly

Download .NET Framework 4.8: download

Download .NET Framework 4.5: download