$vi = (Get-Item Resto.Front.Api.DigitalSignage.dll).VersionInfo
$v1 = $vi.FileMajorPart
$v2 = $vi.FileMinorPart
$v3 = $vi.FileBuildPart
$v4 = $vi.FilePrivatePart
$res = "$v1.$v2.$v3.$v4"
Write-Output $res