To use this method, first install the software (Windows or Microsoft Office). Please be sure that any firewalls between the client machine and the KMS server are open to incoming and outgoing traffic on TCP port 1688. KMS activation can be blocked by a firewall.

If you are using virtual machines for testing and cross-compatibility on Macintosh computers, you'll need to use the manual method in those circumstances. With this method, you'll need to run commands on each machine - and for each software package - during the 30 day grace period after installation. This page describes how to manually activate products. The concept behind the procedure on this page is explained on our main KMS page. If you're not one of those, you should talk to your TSP or net admin before proceeding. This page is intended for technical support providers and network administrators. Activate Desktop Edition of Microsoft Office 2016.Activate a Windows Operating System (All Supported Versions).