salam 3likoum
ana 3endi windows 7 64bit wa al tabligh yacil ...
lakin ana astakhdim mou7arik iftiradhi (virtual machine )
what 's a virtual machine ?
i tell u a virtual machine (barnamadj wahmi tnassab 3lih ay nidham tachghil)

sorry for using this language because i forgot to make the arabic language ........

peace