i posted some links some time ago for someone else that i found for when i was building, may want to take a look at them as some if not many will possibly be useful:
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http://assets.overclock.net.s3.amazonaws.com/f/fb/fbeec... - thermal paste pea method..could probably use less than this even. the idea is to get it to cover the cores. Covering the heat spreader is also good but the cores are where it gets hot so you will want to make sure that is covered. Don't use too much or it will actually raise temps, or even spill onto the processor. Get just enough to make a nice thin layer
http://www.youtube.com/watch?v=EyXLu1Ms-q4 - good video to see how things actually spread.. in the end you usually want to use whatever method has been recommended by the maker
http://www.youtube.com/watch?v=fRRWbQUqW1Y - yet another thermal compound video
http://www.youtube.com/watch?v=fuGwPnWrpow - cpu installation (its for an older one but works with all of them)
http://www.youtube.com/watch?v=OrnWVHdhGJ0 - hyper 212 evo installation.. the manual (by that i mean bad foldout poster) is (insert whatever nasty word you like here). This movie was a much better guide for me. Be warned, putting on the back bracket is a bit of a pain, see if you can recruit a trustworthy helper to hold it if you need to
make sure you A) put on thermal compound first of course and B) remove that plastic from the bottom of the heatsink!! (do not want melted plastic in your cpu) C) polish the bottom of heatsink with some isopropyl alcohol (90%+ i believe) and a cloth that won't shed
http://www.youtube.com/user/asusrog?feature=watch -- This is ASUS North America's youtube channel, it's pretty great in walking you through stuff; specific videos i will list below
http://www.youtube.com/watch?v=Seu7O6IbATU&list=PL91E32... - key mobo components installation (pretty standard for a lot of boards, you can ignore stuff like the WIFI GO module that your board doesnt have obviously)
http://www.youtube.com/watch?v=kZ9QHOHhGCg - installation inside the case..dont forget the motherboard standoffs! i believe it's usually 9 for atx and i want to say 6 for miniatx..it should come with the case i think (if not that then the board)
http://www.youtube.com/watch?v=5xKIiAu4rio - cable management and connecting
http://www.youtube.com/watch?v=f2kcJH8ASN8 hard drive installation..obviously the exact method depends on your case, but for the most part it's all similar
http://www.youtube.com/watch?v=QB5a3mSElSw - antistatic wrist strap application..if you choose to use. im not really a fan of the idea some people have to clip it on the psu and plug that into the wall, but otherwise that's the general method. For my fractal r4 i used one of the holes the case secured into. Whether or not it was doing anything, something must have gone right since im typing this from that computer right now
psu is pretty basic to install.. however, keep in mind that the power cables can be annoying to get in..i defnitely saw the chip in my optical drive flex around a bit when jamming it in there (it went in eventually, but i was scared of breaking it, even though i knew that was the only way to get it in). the board power was even more annoying. The cpu power wasnt that bad, but when doing it in the case it is a bit annoying so if modular you may want to consider connecting that end out of the case.
As a reminder, don't forget the i/o sheild that comes with the board
**Other good things I found were: 1) specific installation guide for my products (such as that hyper 212 evo video i showed) and 2) specific product reviews and guides, these helped me when i couldnt find or wasnt sure about what/where certain parts were on the board like a fan header or the usb 3.0 header or where all the case controls like the power button went
ASUS North America and LinusTechTips youtube channels were both great channels for various help videos and reviews