Insert the USB hard drive into the Windows machine and launch Command Prompt (Admin).Clone the USB hard drive contents to the USB stick using dd.Write the install.wim image to the USB hard drive.A USB hard drive and a USB stick (yes, both).Existing Windows 7, 8, 8.1, or 10 64-bit installation, physical or virtual machine.You can also use a Windows installation disc. Windows ISO (I'm using Windows 10, but should also work with 7, 8, or 8.1).Seagate 750GB SSD/HDD Hybrid in a USB enclosure.128GB SanDisk UltraFit USB 3.0 (ultimate destination for Boot Camp).