install Commerce Server assemblies in GAC windows server 2012

install-commerce-server-assemblies-into-gac.ps1

Set-location "C:\Assemblies"
[System.Reflection.Assembly]::Load("System.EnterpriseServices, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")
$publish = New-Object System.EnterpriseServices.Internal.Publish

$assemblyPaths = Get-ChildItem -recurse | select FullName | where { $_.FullName -like "*.dll" }

foreach ($assembly in $assemblyPaths)
{
    $publish.GacInstall($assembly.FullName)
}