hi all OC sifu out there. can help me to oc my rig? this is my 1st time want to try oc. can anyone teach me how to oc?
my rig :

i5 2500k
asrock p67 extreme 4
Msi gtx560 ti twin frozer
silverstone strider essential 700 watts
noctua nh 12p
kingston 1333 4gb X 2
Wd caviar green 500gb & 1tb
aerocool sycolne 2

can anyone teach me the basic things before oc?
i want to use asrock xtreme tuner programs, am i just increase the cpu multiplier?