Bhai mane windows 8.1 install ki hai jab install ki thi to 10 GB main install hoi thi Driver waigera 5 gb or jaga gair late hain or kuch software jo muje chahiye sab kuch install kar k b 30 gb data hota hai per phir b ye daily 5 se 6 GB jaga estra cover karti hai kiya aap buta sakte ho k kiyo aesa ho reha hai main buhat pare shan hu