When following the install guide here, ensure that you are running PowerShell as x64 (not x86!) otherwise you'll get the following error when trying to run the command:
PS C:\Windows\system32> Install-Package -Name docker -ProviderName DockerMsftProvider
The package(s) come(s) from a package source that is not marked as trusted.
Are you sure you want to install software from 'DockerDefault'?
[Y] Yes [A] Yes to All [N] No [L] No to All [S] Suspend [?] Help (default is "N"): Y
Install-Package : The term 'Get-WindowsFeature' is not recognized as the name of a cmdlet, function, script file, or
operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try
again.
At line:1 char:1
+ Install-Package -Name docker -ProviderName DockerMsftProvider
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (Microsoft.Power....InstallPackage:InstallPackage) [Install-Package],
Exception
+ FullyQualifiedErrorId : FailedToDownload,Install-Package,Microsoft.PowerShell.PackageManagement.Cmdlets.InstallP
ackage
