Not copy and paste per say right now.
Right mouse click on the object you want to copy. Make sure you have all the properties set as you want all of them to be.
Choose extract. Hold the shift key and left mouse click where ever you want a copy of the object.
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.