Parted Magic is a great tool for disk management, able to easily divide hard drive space into different partitions, making file management simpler. The software also allows you to clone drives (ideal if you’re replacing or upgrading), recover lost files and erase disks. These latter tools are great if you’ve got sensitive data that you might accidently lose, or you need to destroy securely. Parted Magic is not free software but is very cheap and can come on DVD or USB if you desire. This software must be run outside of Windows, but the interface is very user-friendly.