Hi,
Windows Server 2012 RC的安装并不需要额外输入密钥,它会自动激活。
微软TechNet有一篇英文文档讲述如何在EFI电脑上安装Windows,请转到以下文档查看:
Installing Windows to an EFI-Based Computer
http://technet.microsoft.com/en-us/library/dd744321(v=WS.10).aspx
Regards,
Arthur Li
TechNet Community Support
