To format new hard drive or partition in Windows-8 or 8.1, please start the diskmgmt.msc !
Please use the key combination [Windows Logo] + [R], then just type the command diskmgmt.msc and press [ENTER] to open the Disk-Management in Windows-8 or [Windows Logo] + [X] [... see Image 1 Arrow-1]
Press and hold or right-click an unallocated region on your hard drive and then click or tap New Simple Volume. [... see Image 1 Arrow-2] You can reformat the hard drive in windows 8 or shrink Volume.
Press and hold or right-click on located region and then click or tap Format. [... see Image 2 Arrow-1]
FAQ 75: Updated on: October 10th 2013 15:35