For any partition management work, there are many free third-party tools available, but Windows includes a pretty good Disk Management Tool that should suffice you for most of your disk management ...

You may view your hard drive in Disk Management and see unallocated space. The space will be on the hard drive, but Windows cannot use it. It is like having a spare room in your house but locked off.

It can be tricky to manage disk partitions in Windows. Perhaps you want to boot two operating systems simultaneously, or maybe you don't want to reinstall Windows when partitioning a hard disk. There ...