Description: This update provides the complete set of licensing changes to enable installation of the ESU MAK add-on key, which is one of the steps to prepare for installation of Extended Security Updates. A reboot is required after installing this update.
Architecture: AMD64
Classification: Security Updates
Supported products: Windows 8.1
Supported languages: all
MSRC Number: n/a
MSRC severity: Critical
KB article numbers: 5017220