Sure, no prob. Everyone was a n00b at one point. Just remember that nobody except you is responsible for anything that happens if you go too far or anything.
Basically each motherboard is different so you'll have to find where this stuff is on yours, but on mine, after you reboot, hit delete at the POST (power on self test, with all of the words and numbers and crap) and it'll go into your CMOS setup. This is where it usually gets different.
In my motherboard (ASUS P5ND2-SLI), I go to "Advanced > JumperFree Configuration > Manual Configuration > Frequency/Voltage control".
Increase the Frequency 1-5MHz at a time and reboot after each one. Make sure you can boot into Windows. When it doesn't boot, increase the voltage a notch and try again. Keep an eye on your temps, though. (SpeedFan is a good program, google it.) When you can't go any further without either it booting or the idle temps above 60-ish, test the stability with Prime95 (google it). You're looking for 12-24 hours of nonstop Prime'ing. If it works, congrats. If not, decrease the speed a little bit until it does.
That's the basic gist of it but check overclock.net for more FAQs and stuff.
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