Ma nay new laptop leya sony vivo is ma preinstalled window 7 hy hardisk 320 gb hy aur just aik drive hy c jis ma free space 270gb hy ma nay drive d and e to bana le lakan pher be c drive ma 120 gb free space hy lakan aur drive nai ban rai ma chata ho 100 gb ke aik aur drive ban gay to is ka koi hal hy