You don't need the Boot Camp Assistant at all to repartition. You can just use Disk Utility (you'll have to make a placeholder FAT/MS-DOS partition, then reformat it to NTFS somehow tho).

Boot Camp How Tos How to Install Windows 10 on Your Mac Using Boot Camp Assistant Tuesday November 10, 2015 2:00 pm PST by Lory Gil ...

Boot Camp is a multi-boot utility in OS X that lets you install Windows on Intel-based Macs. It handles disk partitioning, installation of Windows device drivers, and also includes a Windows ...

I have also tried using a USB Drive, formatted every which way I have read. NOTHING will recognize as a Windows installer disc (says boot camp)..

By popular demand, Apple has introduced Boot Camp, software that configures an iMac, MacBook Pro or Mac mini system to boot Windows XP. I’m installing it now on an Intel-based iMac. Here’s ...

Then Apple unexpectedly released the beta version of Boot Camp, a dual-boot enabler specifically designed to allow users to install Windows XP on Intel-based Macs. Apple says dual-boot capability ...