JColvin,
Unfortunately the Digilent Plugin for Xilinx tools in the link above only provides support for the Digilent USB JTAG cable.
The Windows 10 variant of Xilinx ISE 14.7 that runs under Oracles Virtual Box uses Red Hats version of Linux and supports Spartan 3 devices including the Digilent Spartan-3 starter board.
My original Spartan-3 Starter Board came with the Digilent parallel port/JTAG cable which is the reason for the question on this forum.
I recently acquired a second Spartan-3 Starter Board that came with the Digilent USB/JTAG cable which can also be used to program my original Spartan-3 Starter Board.
Thanks,
Mark