Windows Azure 30-day trial or "Pay-As-You-Go" Subscription

http://www.microsoft.com/click/services/Redirect2.ashx?CR_CC=200256692

Windows Server 2012 R2 Previews

http://www.microsoft.com/click/services/Redirect2.ashx?CR_CC=200256993

Hyper-V Server 2012 without full server capabilities – No GUI (no-charge)

http://www.microsoft.com/click/services/Redirect2.ashx?CR_CC=200256995

BizSpark Signup with Azure for Application Developers

http://www.microsoft.com/click/services/Redirect2.ashx?CR_CC=200257012

Windows Server 2012 - RTM

http://www.microsoft.com/click/services/Redirect2.ashx?CR_CC=200256992

System Center 2012 R2 and Windows Intune Previews

http://www.microsoft.com/click/services/Redirect2.ashx?CR_CC=200256991

Windows 8.1 Preview

http://windows.microsoft.com/en-us/windows-8/download-preview

Microsoft Virtual Academy

http://www.microsoft.com/click/services/Redirect2.ashx?CR_CC=200257009