Steps to reproduce

Enter the command in PowerShell Get-Help Get-Help -Online

Expected behavior

Web browser opens and help information about Get-Help appears.

Actual behavior

PS C:\Program Files\PowerShell\6.0.0.10> Get-Help Get-Help -Online
Get-Help : Operation is not supported on this platform.
At line:1 char:1

• Get-Help Get-Help -Online

• - CategoryInfo          : NotSpecified: (:) [Get-Help], PlatformNotSupportedException
  - FullyQualifiedErrorId : System.PlatformNotSupportedException,Microsoft.PowerShell.Commands.GetHelpCommand
  

Environment data

Name                           Value
----                           -----
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}
WSManStackVersion              3.0
PSRemotingProtocolVersion      2.3
BuildVersion                   3.0.0.0
CLRVersion
PSVersion                      6.0.0-alpha
SerializationVersion           1.1.0.1
PSEdition                      Core
GitCommitId                    v6.0.0-alpha.10