Please be patient till you see all the pics I added seperately.

As you emphasised several times in your former statements, I uninstalled Motif XF_Editor_Standalone_VST_1.6.4 Window version and reinstalled properly in my control panel on PC.

And then I did FACTORY RESET.

After, in cubase / Devices / VST instuments, I called VST Editor and it soon appeared with " port open error " and consequently I failed proper setup in File / setup. It shows me exclamation as " ! Ports have not been properly set. " AGAIN.

Personally I think I well connected Motif XF8 to PC through FW16E because I did not meet any kind of trouble or something during I connected and installed a sort of related softwares.

Nevertheless, I could not hear any MOTIF sound from my monitoring speaker through Cubase except direct sound I played with no PC.

Please help me out to hear any sound from my monitoring speaker with Cubase ~~

And then I did FACTORY RESET.

Factory Reset? Why? Once you make Motif XF settings do not undo everything by making Factory Reset. Factory Reset undoes the MIDI IN/OUT = FW setting.

It really is not all that complicated if you take it step by step.

It is clear to us you are having a problem many have the very first time. They are not sure HOW they want to work... Some settings you make you undo later, thinking they are part of the same thing, and they are not. You are like opening a cabinet with the intent to look inside, but in your next step you close the door, making it impossible to see inside the cabinet.

If you make VST CONNECTION > Input setting, you are setting up to not use the Editor VST.
Do you want to use the Editor VST?

If you launch VST Editor it will disconnect VST CONNECTIONS > Input... Until you understand the connections, they will not make sense. Please follow the article... It goes in order.

Basically, until you get rid of the yellow "Ports have not been properly set!" Error ...nothing will work.
You have several screenshots, that are of the Editor as Standalone, you have other shots of the Editor as VST.

HOW do you want work?
Do you want to use the Editor as VST.

Let us know?

Of course I did redefined MIDI IN/OUT = FW setting at UTILITY / F5 / SF2 in my MOTIF. The reason why I did FACTORY RESET was to clean up my MOTIF and I want to proceed all steps newly again. Formerly, I did several operation to my MOTIF through YOUTUBE before we meet. Thus, I really think It would be good for both of me and you teacher, hahahaha~~

I slightly understand between VST Connections and VST Instuments in Devices Tap on Cubase. You mean I can connect only one connection of the two, MOTIF and EDITOR. Did I understand correctly ?

If it's right, let's set VST problem aside until I can hear any MOTIF sound through Cubase from monitoring speakers.

I'm sorry to bother you for many times, but I'm the very biginner of digital instrument as I mentioned earlier.

Let's get back to the point of purchasing MOTIF & FW16E & Cubase AI 7.

First, I want to draw the NOTES automatically on Cubase by playing keyboards of MOTIF directly with my fingers.

Secondly, I want to record them as MP3, WAV or something readable file from my PC.

Third, also I want to proceed all the above steps for multi-track layered sounds with Drum kits, Piano, Guitar, Base and etc.

Finally, I want to be a ONE - MAN - BAND.

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Surely, I know It is not easy for me to do this nicely. Maybe It would waste my time over one year. But I surely think I can do this job step by step just like other persons.

I think it would be possible If you would be my teacher.

Please let me know the easiest way and steps I can bear.

Thank you for your help in advance ^^