Press the account button when you are logged in on this forum.
It is in the menu.
There is a link in the first sentence, to change profile go to tgc.
Anyway press that. At the bottom of that form is the steam link section.
Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2400 Mhz, 4 Core(s), 4 Logical Processor(s), 8gb RAM, Nvidia gtx660, Windows 7 Pro 64bit, Screen resolution 1680 x 1050.