Windows 8 Release Preview is out!

The Windows 8 Release Preview has been released.  You can download it from here.  If you are prompted for a product key, use TK8TP-9JN6P-7X7WW-RFFTV-B7QPF.  To do Windows 8 Metro development, you will also need to download the Visual Studio 2012 Release Candidate

Here are the top links that you need to read to get up to speed:

Developers in large enterprise companies may also want to check out how to plan for Windows 8 and the Windows deployment guide