Why can't I see the Cycles Rendering button in Node Editor? When I enter into the Node Editor to mess around with materials, i'm greeted with no cycles render button, nor any of the others.

The buttons aren't there.

Please help, I've tried to see if it was enabled in Add-ons and it was, yet it's just not there in the node editor. I've also tried to change my rendering from CPU to GPU rendering, but to no avail, it's not there.

Please assist me, I've had this problem ever since i got blender.
There is no cycles render button on the node editor. 

To switch render engines the button is in the info window.



then select your render engine



If that is not the button you are looking for please add an image on the original question that shows what buttons you expect to see.