It may be a help to over-write the HDD Master Boot Record (MBR) before you start any other procedure using the diskpart clean
command, rather than the clean all; it takes just seconds to complete so you will have "unallocated" space to use either the Windows installer to create and format the partition(s) or use diskpart to create them, however you choose.
SSD / HDD : Optimize for Windows Reinstallation
DISKPART : At PC Startup
If you want to completely wipe / over-write the entire Hard Disk Drive of any possible format errors, malware infection, for security purposes or just to get the best possible place to install Windows to, have a look at these tutorials.
Secure Erase / Wipe : Definition and Methods
Additional Secure Erase / Wipe Information