i'm really interested to play guitar and consider to buy new guitar but im afraid later it useless if i dont know how to use it, can i learn guitar i mean all the basic keys online and then develop from there...

i want to learn it from my friends if can but most of them seem to be busy with their own life now, dowan to trouble them..

u guys can share by telling how u guys learn to play from the beginning(amateur) and how it develop until now(pro) ..thanks.