Compared to AACT 4.2.3, version 4.2.4 introduces the following breaking and non-breaking changes:
In the world of medical research, data is the most valuable currency. The AACT Database
Below is a deep, reflective blog-style post on the subject.
activator is now available. This release continues to be one of the most reliable, "no-install" tools for managing KMS activations for Windows and Office. What’s New in v4.2.4? Enhanced Compatibility