Windows 8.1 Preview

It's here!

With Windows 8.1, you can reach more customers on an unprecedented range of devices, enhance user engagement with new features, and enable new revenue opportunities with your app.

Windows 8

MSDN subscribers can get Windows 8 from MSDN Subscriber Downloads. If you're not an MSDN subscriber, you can download an evaluation version of Windows 8 from Evaluation Center. (Note that this version will expire, and you cannot upgrade.)

Buy Windows 8 online

Visual Studio Express 2012 for Windows Desktop

Microsoft Visual Studio Express 2012 for Windows 8 is your tool to build Windows apps. It includes the Windows 8 SDK, Blend for Visual Studio, and project templates. You must first install Windows 8. Get details and additional languages.

Download Visual Studio Express 2012 for Windows Desktop

Get the Windows 8 SDK

If you have a compiler and build environment already, you can download the Windows Software Development Kit (SDK) for Windows 8 separately. The Windows 8 SDK contains headers, libraries, and tools you need to create Windows Store apps, in the language of your choice. (Includes the Windows App Certification Kit.) Learn more about the Windows 8 SDK.

Get the standalone Windows 8 SDK

Essential Windows 7 resources

Windows SDK for Windows 7

Get the details.

Download SDK for Windows 7

Visual Studio 2010

Get the details.

Download Visual Studio 2010

Windows 7 Developer Guide

Get the details.

Windows 7 Training Kit

Get the details.