This package updates the Diagnostics and Telemetry tracking service to existing devices. This service provides benefits from the latest version of Windows to systems that have not yet upgraded.

Describes an update that introduces the Diagnostics and Telemetry tracking service to in-market devices in Windows 8.1, Windows Server 2012 R2, Windows 7 SP1, and Windows Server 2008 R2 SP1.

This article describes how to use the Compatibility Administrator utility that is included in the latest Microsoft Application Compatibility Toolkit for Microsoft Windows.

This update provides the latest set of definitions for compatibility diagnostics that are performed on the system. The updated definitions help enable Microsoft and its partners to ensure compatibility for all customers who want to install the latest Windows operating system.

Describes an update that improves application and device compatibility in Windows Server 2012 R2 and Windows Server 2008 R2 SP1.

The diagnostics evaluate the compatibility status of the Windows ecosystem, and help Microsoft to ensure application and device compatibility for all updates to Windows.

The upgrade will roll out over time to in-market devices based on intelligence models that consider hardware eligibility, reliability metrics, device age, and other factors. Microsoft intends to roll out the offer to upgrade as quickly as possible, while ensuring a high-quality experience.

Learn how to get older apps or programs to run on Windows 10 or Windows 11 by adjusting compatibility settings.

These diagnostics help determine whether compatibility issues may be encountered when the latest Windows operating system is installed. This update will help Microsoft and its partners ensure compatibility for customers who want to install the latest Windows operating system.

Describes an update that improves application and device compatibility in Windows Server 2012 R2 and Windows Server 2008 R2 SP1.