For example, if you’ve got 250GB storage, allot around 40GB to the C: drive (assuming you have Vista/Windows 7…if you have XP then 20GB is enough).Ģ. It should be smaller in size as compared to other partitions that you create. The primary partition that contains your operating system shouldn’t be used to store important data. Some recommendations before your create partitionsġ. And if it comes to formatting the computer, there is no option to move data to another partition to save it from deletion (external media is required to save all important data). So if anything corrupts the OS then that would jeopardize your data too.Īlso, managing files and folders on one partition is cumbersome. Managing all the data on that single available partition or the C drive isn’t prudent because C drive contains all the important Windows and programs folders.