Windows comes with a built tool— Disk Management —that offers a complete solution to manage hard disks on the computer. You can use it to shrink volume, increase volume or portion size, create new ...

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.

An earlier version of this story contained a graphic that misstated the winner of Mar. 3 primary in North Carolina as Rep. Nida Allam. It is Rep. Valerie Foushee.A separate graphic looking at Senate ...