To change the window size from the Updater:
- Login to the Fallen Earth Updater.
- Click on Options located at the bottom left of the launcher.
- Under Video Settings tab, click on the Resolution drop-down menu and select your window size.
- When finished click on "Save", then launch the client with your new settings.
To adjust window size while in-game:
- Press Esc on your keyboard which will bring up the Menu, or click on the Menu button.
- Click "Options".
- Click on the Graphics tab.
- From the Resolution drop-down menu choose your desired window size.
- Click on OK, and your client will restart to apply the new resolution.