bhai jo windows 8 use kr raha hai plz wh mjhe in k ans de

(1)kya windows 8 windows 7 k software run krta hai
(2)kya windows 8 par visual studio 2005 aur sql server work krte hain
(3)kya windows 8 par qubee ka internet ya DSL internet kam krta hai

plz mjhe in questions k answer dein i want to install windows 8 beta version