1stMU CLIENT CENTER

Download
the client.

Choose the package you need, then follow the launcher flow to install or update the client safely.

01 / CLIENT PACKAGES DOWNLOAD OPTIONS

Choose your download method

Pick the package that matches your situation. The mini install is the fastest way to start; the full client contains the complete game archive.

02

Install & Update

Open the launcher, click Update, wait for 100%, then run Game.exe.

MU Private Launcher update screen
MU Private Launcher

New installs and updates use the same flow: open the launcher, click Update, wait for 100%, then run Game.exe.

  1. 01
    Abrir o launcher

    Run MU Private Launcher from the client folder.

  2. 02
    Clicar em Update

    Wait until the progress bar reaches 100%.

  3. 03
    Iniciar Game.exe

    Start the game only after the update is complete.

03

Security Fixes

Use these notes if Windows Security, antivirus, or permissions block the client.

Excluir a pasta do cliente

If Defender or antivirus blocks a file, restore it and add the game folder to exclusions.

Use apenas links oficiais

Download only from the official links above to avoid modified or incomplete packages.

Mantenha uma instalacao limpa

Do not mix old files with a new package. A clean folder patches faster.

Reinicie apos corrigir permissoes

If security software blocked a file, restart once and patch again.