Now we want to prepare the USB drive for the Windows 10 files and ensure it is bootable. Type “create partition primary” without the quotes and hit enter.

If you're trying to install a new operating system or flash your BIOS, you're going to need a bootable USB drive - here's how to make one.

If Windows Setup couldn't create a new partition or locate an existing one during a clean install on your PC, use the fixes in this post.