i have recently bought a nawaz sharif youth laptop. it's made by haier company core i3. window 8.1 pre activated is installed on it. i want to reinstall but i could 't do so. admins and mode are hereby request to plz tell the easiest way of installing windows.

" setup mai bhi nahi ja pa raha agar kisi ko haier ki setup key ka pata hai to bata den f12 say nae ja raha hai"

thanks

Malik Wassim Abbas