安装chocolatey

C:> @powershell -NoProfile -ExecutionPolicy unrestricted -Command "iex ((new-object net.webclient).DownloadString('https://chocolatey.org/install.ps1'))" && SET PATH=%PATH%;%ALLUSERSPROFILE%chocolateyin

或者：

PS:>iex ((new-object net.webclient).DownloadString('https://chocolatey.org/install.ps1'))