How do you take screenshots in The Witcher 3 (NOT ON STEAM)

[Gentei]

How do you take screenshots in The Witcher 3 (NOT ON STEAM)

So how do you take screenshots in TW 3?
I'm not playing via steam and I allready tried F12 and print screen on keyboard.

 

[KiriSilvermane]

Don't think there is an in game key. So chances are you will need Fraps or similar