assalam o alaikum experts meri help kr do mera pc fast krna hy mje koi bta de k mera jo purana pc hy use fast kese karo mtlb k pantium 4 hy ise dual core ya core 2 dou jo achha ho bana hy mera pas 5 hazar tak hn mje kya kya change krna hy. Ya konsi cheez badli krni hy. Mje is k bare me kuch khas maloomat nahi hy meri help kr do na to me window 7 use kr skta hn or na hi koi khas game bilkul latest or fast computer bana hy. Agar 5 hazar se zyada kharcha ate hy to wo me kr lnga. Mje is me se sirf hard disk jo k 120 gb ki hy rakhni hy. Agr is se zyada ki chahye to me wo b le lnga.