Instead, the Microsoft Volume License Serializer is run on a machine to create its own unique license file. Machines running macOS do not use KMS or MAK activation. These instructions only apply to machines running Windows Vista, 7, 8.1, or 10. Please note that only Office Pro Plus can use KMS or MAK activation. These activations are available for faculty and staff using departmental machines. This document shows how to convert Microsoft Office 2013 or Microsoft Office 2016 to and from KMS activation and MAK activation, as well as help determine which activation type is currently in use. Microsoft Volume Activation - Converting Microsoft Office 2013 or 2016 to and from KMS and MAK Activation After giving installation ID final question. Microsoft Office 2013 activation keys or product key can be used to.