Hi Pete, no that won't work - you will need Windows to be installed to run MoI.

The computer that came with your Sherline CNC Mill is running Debian Linux - that is a completely different operating system. MoI will not run under that system.

It is possible to install both Windows and Debian on your machine as a "dual boot" type system - that will allow you to pick which operating system to run when you first turn on the machine. You can then reboot the machine when you want to switch from one to the other.

Your machine may not have a 3D-enabled video card currently installed in it, that is possibly another thing you might need to add to your machine before it will be capable of running MoI.

Hope this helps!
- Michael