How To Get From Here To There: To accomplish this task of triple-booting Windows 7 (or Windows 8), Linux Mint 17.1, and Kali Linux 1.1 on a single hard drive and on a computer with UEFI firmware, you, of course, must have access to a Windows 7 (or Windows 8) computer that you have permission to use. My test computer is a self-built desktop, but the steps should also work on an OEM (store-bought) laptop or desktop.