Client Downloads

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

Download Game Client from Mirrors

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

Game Client Issues

(*) Open start menu and type in the search: Core Isolation and then put the Memory integrity setting to off and then you shouldn't get any LiveGuard errors and game should run just fine! Click here to see tutorial how to do the settings.
(*) Still problems running the game? Check for solutions: here and here.
(*) Windows 11 and game don't start? Turn off Memory integrity, read more : here.

If your launcher is failing to update the game, please download the patch and extract over your client and launch Launcher.exe from your InfinityMU client folder.

System Requirements

Please check your system specifications to ensure your system is suitable for the fluidity of game play.

Download Drivers

Make sure you have the latest drivers. The banner links below will help you update the drivers best suited for your system.

Download Microsoft Visual C++ Redistributable

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

Microsoft Visual-C-Runtimes-All-in-One: download (Run install_all.bat 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