dear expert friends
mery pass Dell optiplex 520 hai
3.2 procsser 1.5 ram . 945 m board 160 hdd
is pc pe konce windows instal krou to is ki speed fast ho jaye gi or is k kiye konsa antivirus best rahe ga
or windows geniune karne ka software bhi share karien jise me open krou to window auto geniune ho jaye