you have to enable RAID in your BIOS (usually in something to the effect of "Advanced BIOS Features"), then setup the RAID via the controller BIOS and install the accompanying driver for Windows
an exhaust fan is one that blows hot air out of the case (as opposed to an intake, which brings in cold air)
when you apply the paste, just use a pea sized drop in the middle of the CPU and press on the HSF
^^thats sticking paste on a GPU^^
i didnt actually watch the video... i'd think he meant ground yourself... this removes static electrical charge (which can do some damage to components) from the body..