/Enable-Feature /FeatureName: /PackageName: Enables a specified feature. If the package name is not specified, the Windows ...

/Enable-Feature /FeatureName: [/PackageName:]

  Enables a specified feature. If the package name is not specified, the
  Windows Foundation package is assumed. Feature names are case-sensitive.

    Examples:
      DISM.exe /Image:C:	est\offline /Enable-Feature /FeatureName:XPS-Viewer

      DISM.exe /Image:C:	est\offline /Enable-Feature /FeatureName:Calc
        /PackageName:Microsoft.Windows.Calc.Demo~6595b6144ccf1df~x86~en~1.0.0.0