Check the listing for details. MACH3 License file + Sherline Setup files. Condition: New. Listed at 287.17 USD. Here is what you get. One MACH3 hobby license registered to your name.Setup file profiles for Sherline Mill and Lathe both for inch and metric system. MACH3 installation software.Basic instructions. We ship it via USPS stored in a USB 16G flash storage drive. Please note that Software Licenses or code-keys are not accepted for returns. We will help you to setup your system so the axis move. We do NOT provide any machinist support, advice or training on how to use MACH3. NOTE: Before using this unit, you must have a Sherline CNC controller with stepper motors and a computer with a parallel port running a 32bit Windows OS 7 or older. If you want to use a 64bit Windows 10 via the USB port with either Laptop or Desktop then please search eBay for MACH3 with USB-CNC