Hello sw1170,
Thanks for that information, you will need to increase your resolution to something of a 16:9 aspect ratio 1024×760 is a 4:3 aspect ratio. You will need to change your computers resolution to one of the following.
1024×576, 1152×648, 1280×720, 1366×768, 1600×900, 1920×1080 Click or tap here to see how to change the resolution in Windows 10.
Doing so should take care of your issue, let us know how it goes.