[keys id=129156]MMO ATK and Webzen have teamed up to offer our fans closed beta access to MU Rebirth’s official PvP server. MU Rebirth is a remake of MU Online with a heavy emphasis on PvP.
1. Log in or Register for your MMO ATK account
2. Visit MU Rebirth’s Beta Key Promotion Page
3. Enter the beta key from below and click the ?redeem? button
4. Visit the MU Rebirth Homepage to download the game