Thanks, prepiad-data-sim-card.wikia.com i know.. its great page. So i dont know still, what is best think. Wind will be have long activation maybe. Still i dont know, how hard is recharge credit to simcard.
Is it possible, that salesman at a petrol station or newsagent help me with this? In our country i only buy prepaid sim with 5€ and i already have 5€ on simcard. Activation is already complete and i only send SMS to activate data. It is too easy, but in Italy not as i see

..
So maybe i think, best option will be operator Three.. i hope, that i can buy it in petrol station on highway and activation will be easy.