| 1. Resolution with Game Launcher |
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| Open UNION MU Launcher |
| Click on Settings button |
| Choose your resolution |
| 2. Resolution with LauncherOption.IF |
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| Open file name LauncherOption.IF with Notepad++ |
| Edit the value of DevModeIndex from 0 to 7 which lowest to highest |
| Edit the value of WindowMode with 0 or 1 to Enable or Disable Window Mode |