Get Your Product Key – Everyone get the same key
Datacenter Product Key - JGXYY-7NMTC-MHKY3-QCC9B-VQRG7
Automatic Virtual machine Activation Key - XVNRV-9HTX4-TH2JD-HVJQD-QRQWG
AVMA key enables license activation for virtual machines based on the license state of the virtualization server (please see this whitepaper for more information).
System Requirements and Installation Information – Everything you need to know about what is required to install Windows Server 2012 R2 Preview
Cloud and Datacenter Evaluation Guide for Windows Server + System Center - Learn how Windows Server 2012 R2, System Center 2012 R2, Windows Azure, and other new technologies work together to help you to provision and manage cloud and data center infrastructure, provide business continuity, deliver services, and manage applications.
Windows Server on Twitter – Always valuable information through the official Windows Server Twitter account!
Microsoft Server and Cloud Platform Blog – For the latest and greatest information on the Windows Server Platform, subscribe to the official Windows Server Team Blog!
Windows Server 2012 Forum on TechNet – pose questions and get answer from your fellow OT Professionals around the globe. These are the folks that are working with the products every day and have real world solutions to your real world problems. The forums are also frequented by Microsoft MVP’s and Microsoft Technical Support.
The TechNet Virtual Labs are an excellent place to get your hands dirty with the product without the investment in building your own lab. Bookmark this page and check back often to find out when the new Windows Server 2012 R2 Labs go live!
At the Microsoft Virtual Academy (MSVA), we host JumpStarts, live training sessions, and other lab content to get you ramped up on the latest technologies. We are currently developing new content for the R2 releases of Windows Server and System Center so check back often to see when it gets published.