The "MULTi6" designation refers to the six supported interface languages, which can be toggled in the game's Options menu:
Estimated at 3–6 minutes, depending on your system's performance. The Last Remnant (v1.0.515.0 MULTi6) – [DODI ...
Users on forums like Reddit's CrackSupport recommend disabling antivirus software during installation to prevent the installer from being flagged as a false positive, which can lead to a stuck progress bar. The "MULTi6" designation refers to the six supported