The answer depends on your setup and preferences. If your setup only uses a single monitor fullscreen mode might be the right option, especially if you play competitive games and want the absolute best performance. If you want other applications more easily within reach, borderless windowed mode is the way to go.

Should I use fullscreen on fortnite?

There are many reasons why playing full screen is the much more preferable option, with the main reason being that it ensures Fortnite runs much better at much higher frame rates. ... The full-screen mode also ensures optimal resolution as compared to windowed mode, which is known to cause resolution-related bugs.

Is borderless warzone better than fullscreen?

Fullscreen is the best choice performance-wise, but you might prefer Fullscreen Borderless if you have a multi-monitor setup and you wish to move quickly on another display. Note: you can switch from Fullscreen to Fullscreen Borderless by pressing Alt+Enter on the keyboard.