Feature Enhancement Pack silent install

The documentation for the Feature Enhancement Pack says to use /s on the DUP but that doesn't install silently, just extracts the files silently then you have to do the install manually.

It also says to use msiexec.exe /i dfep.msi /qn

It doesn't say how to get that MSI file, you have to launch or extract the DUP and during the installation, you'll find the MSI in the temp folder along with another folder with an ISBEW64.exe file.

So if you install the MSI, do the drivers and ISBEW64 get installed ?

Then in the examples it says to use the /passthrough switch but the command "dfep_DUP.exe /passthrough /qn ADDLOCAL=ALL" doesn't do a silent install.

The command line that seems to work is :

System-Utilities_Application_M5HX9_WN_2.2.1_A00.EXE /passthrough /v/qb (or qn for full silent)

is this correct ?

I hope the documentation will be corrected for the next version.