before i enter this community, i only understand to use computer,and dont know OC system,to tell the true is with this community i learn and a lot of study and many people help me unterstand the OC system. the OC like and Art in computer.for the regular user its like wasting time when dealing with OC. some of my friends they just buy what vendor say,but they dont know how to use,like u car dont have car key.they only like the presentation of the box of the product in view of maketing.
like onother advise, OC need time and study if u only just sit and wait for people to tell u, u cant go futher
thanks everybody for help me .again.for toms u r the best