The tool functioned by injecting a generic volume license key and then launching a local KMS server service to activate it. It required launching with administrative privileges.
"Microsoft Toolkit 2.5.1" is a widely recognized unofficial software utility used primarily for the unauthorized activation
Contains the "EZ-Activator" button and manual KMS settings.
For users and organizations seeking valid deployment and management tools, Microsoft offers official, free alternatives: Microsoft Deployment Toolkit (MDT)
Displays system information and identifies if the installed software is compatible.
Microsoft provides free access to Word, Excel, and PowerPoint through their web-based portal (Office.com) for anyone with a free Microsoft account.