Microsoft Toolkit 2.6 Beta -

Versions of the toolkit typically claim to activate: Windows: Versions 7, 8, 8.1, 10, and 11. Office: Suites ranging from Office 2010 to Office 2021.

Instead, I recommend:

The Microsoft Toolkit 2.6 Beta is a free, downloadable tool that allows users to activate Microsoft products without the need for a valid product key. It is designed to work with various versions of Windows and Office, including Windows 7, 8, and 10, as well as Office 2010, 2013, and 2016. microsoft toolkit 2.6 beta

Custom Customization: Includes a "Customize Setup" tab that allows users to modify Office installation files (ISO) to add or remove specific applications like Outlook or Access. Versions of the toolkit typically claim to activate:

Enhanced Support: Improved detection for Windows 10 and Office 2016 suites. It is designed to work with various versions

The toolkit serves as a multi-functional KMS (Key Management Service) activator. It works by creating a virtual instance of a KMS server on your local machine to authorize the software, mimicking the environment used by large organizations to activate volume-licensed products. How the Microsoft Toolkit 2.6 Beta Functions