Some gamers of new Mafia 3 faced with the inability to enjoy gamig process in borderless window mode. So, in order to fix Borderless Window in Mafia 3, follow the steps below:
- Open Steam Library and right-click Mafia 3
- Press Set Launch Options.
- Add “-windowed -noborder -h (your resolution height) -w (your resolution width)”
- Save and start Mafia 3.
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