RECORD Computer SCREEN in 4K – Hey everyone. In this article, Hideshade.com wants to explain you how you could record your computer screen in 4K resolution, using the free software, OBS. Now if you’ve never used OBS, it’s a software you could get for free, and capture your screen, your Mac or your PC. Whatever screen you want, even your iPhone, your android device. Any screen works with the OBS app and the great thing about the OBS app is it lets you change the resolution of the way it records the screen. So it doesn’t have to be 1080P HD. You can actually do it in 4k. All you need is a 4k monitor.