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MU Online Season 22 client — everything you need to play on our server in one download: the game, the launcher and the Season 22 data files. Unpack, run the launcher, log in with your website account and you are in Lorencia. No patches to hunt for; the launcher keeps the client up to date on its own.
The Season 22 client goes up here shortly before the server opens in early October. Create your account now, then check back — the opening date is announced on the news page.
How to install
- Download the full client above (a download manager or torrent client helps with the size).
- Unpack it to a folder outside Program Files, for example
C:\Games\MU Season 22. Do not install it over another MU client. - Add the folder to your antivirus exceptions. MU clients are flagged by mistake more often than not; if the launcher vanishes after unpacking, that is why.
- Run the launcher once as administrator so it can check for updates, then pick your resolution and window mode in its options.
- Log in with the username and password of your website account. If you have no account yet, register — it takes a minute.
System requirements
| Minimum | Recommended | |
|---|---|---|
| Windows | Windows 7 64-bit | Windows 10 / 11 64-bit |
| Processor | Dual core 2 GHz | Quad core 3 GHz or better |
| Memory | 4 GB | 8 GB |
| Graphics | Any DirectX 9 card, 1 GB | GeForce GTX 750 / Radeon R7 or newer |
| Disk space | About 6 GB free (SSD recommended for map loading) | |
| Other | DirectX 9.0c runtime, Visual C++ 2015-2022 redistributable, a stable internet connection | |
New to the game, or coming back after a few seasons? The how to start guide covers the first hours, and the Season 22 page explains what the newest version changes.
Square fonts in game?
If you see squares instead of text, the Windows font Arial Unicode MS is missing on your PC. It is a common problem with every recent MU client and takes a minute to fix:
- Close the game client.
- Download the ARIALUNI.TTF font (full square-font guide).
- Right-click the downloaded file and choose Install — or copy it into
C:\Windows\Fonts. - Start the game client again.