Nakien

my main problem is fps loss with windows mode, i'm playing wow. it does work when i use windows mode and windows (fullscreen) mode but i loose 30-40 fps. but i dont know how to make it select an already full screen window.. also when i go ingame when i have it broadcasting the windows mode(fullscreen) it will just pause until i minimize again i wish there was a way to select an exe directly or somthing of that nature

How do I make it record a game in Full-Screen instead of just selecting a screen region?