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Test and deploy

Deploy and service

Install, configure, and service your apps efficiently to avoid versioning conflicts and reduce the total cost of ownership (TCO) for your customers.

Debug your apps

Test and debug using Visual Studio or Windows debuggers to observe the run-time behavior of your apps, log and trace events, and locate logic errors.

Diagnostics and instrumentation

Add instrumentation to diagnose errors and write trace information, or to monitor or measure the level of performance for your app, network, or hardware.

Test tools

Get the tools you need for automated and manual testing of app software, drivers, middleware, and system software. Many of these tools are bundled in the Windows SDK and the Windows Driver Kit.

Essential downloads


Windows SDK for Windows 8.1

Includes the Windows Performance Toolkit, Debugging Tools, Application Verifier, and MSI Tools. Install the complete package or a standalone component. Learn more about the Windows SDK for Windows 8.1.

Visual Studio Express 2013 for Desktop

Visual Studio Express 2013 for Windows Desktop enables the creation of desktop apps in C#, Visual Basic, and C++, and supports Windows Presentation Foundation (WPF), Windows Forms, and Win32.