Microsoft's development tool for Web applications and rich client applications. With WPF, developers can use XAML, to create custom controls, graphics, 3D images and animations that are not available in traditional HTML implementations.

The mandatory product registration system included in Microsoft's Windows XP, Office XP, and recent Office products (such as Word 2002 or Excel 2002) as a means of enforcing compliance with the company's End User License Agreement (EULA).

Windows Remote Desktop is a program that allows the user to connect to a computer in another location and interact with it as if it were local.

A feature of Windows Vista that allows administrators to remotely run management scripts. It handles remote connections by means of the WS-Management Protocol, which is based on SOAP (Simple Object Access Protocol). 

A special Microsoft Windows operating system designed to run on mobile devices (E.g. tablets) utilizing the ARM architecture. Unlike Windows 8, Windows RT is only distributed as a pre-loaded operating system on devices produced by participating OEMs.

The Microsoft Windows SDK is a set of tools, code samples, documentation, compilers, headers, and libraries that developers can use to create applications that run on Microsoft Windows operating systems. The Windows SDK combines two formerly separate SDKs

A server OS developed by Microsoft, which builds on the  enhancements built into Windows Server 2008. The OS, which is highly integrated with the client edition of Windows 7, offers improvements in scalability, availability, and power consumption.

A feature of the Windows Server platform for improving the high availability (HA) of applications and services. WSFC, which is the successor to Microsoft Cluster Service (MSCS), can be administered through the Failover Cluster Manager snap-in.

A free add-on for managing patches and updates to the Microsoft Windows XP, Windows Server 2000, and Windows Server 2003 operating systems.  

A portal-based Web services on an intranet. WSS is a free download included with every Windows Server 2003 license and is considered to be part of the Office 2003 productivity suite. 

A version of Windows Server for use in network-attached storage appliance. The 2012 version comes in Workgroup and Standard editions.

A Microsoft-owned repository for freeware utilities.   

A stripped down version of Windows 7  for legacy PCs that do not have the resources to support a full version of Windows 7. 

A Microsoft Windows desktop operating systems. Vista was released for businesses, the holders of most volume licenses, on November 30, 2006. 

Windows Workflow Foundation (WF) is a Microsoft technology that provides an API, an in-process workflow engine, and a rehostable designer to implement long-running processes as workflows within .NET applications. The current version of WF was released as part of the .NET Framework version 4 and is referred to as (WF4).

Microsoft's programming model for building workflow-enabled applications in the Windows operating system. It includes a namespace, a workflow engine and design tools that can be used with Visual Studio .NET.