Read the original post by Neil Hutson at Windows 8 app developer blog
With the announcement that Windows 8 has been released to manufacturing (RTM) and will be available for customers to buy on October 26, now is the time to build apps. On August 15th, all developers can visit the Windows Dev Center to get access to all the tools and resources they need including the RTM release of Visual Studio 2012. In the meantime, check out a selection of free events to help jumpstart your app development.