It doesn't though, it takes a screengrab of your current window and let's you annotate, but only if it's a win32 app or UWP not the win8 apps. I just ran into t

It doesn't though, it takes a screengrab of your current window and let's you annotate, but only if it's a win32 app or UWP not the win8 apps. I just ran into this issue last night (to be fair snipping also doesn't work).