如何在Windows Server 2008 R2上安装KVM

Question

当我运行以下powershell命令时，出现错误。

命令是：

@powershell -NoProfile -ExecutionPolicy unrestricted -Command "iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/aspnet/Home/master/kvminstall.ps1'))"

，错误是：

Exception calling "DownloadString" with "1" argument(s): "The request was aborted: Could not create SSL/TLS secure channel." At line:1 char:1 + iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.co ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + CategoryInfo : NotSpecified: (:) [], MethodInvocationException + FullyQualifiedErrorId : WebException

在Windows 10上，同样的命令可以正常工作。