But if I want to export from the corresponding SWPM version of my system and export the same SWPM through it, how to do it?
I didn't understand this statement.
Like I said before you can use SWPM for system copy using the export and import method.
There should be an option called "Software Life-Cycle Options" and under that you have the system copy.
There will be options called "Source System Export" and "Target System Installation".
You need to select these for export and import.
I never tried using different version of SWPM for export and import so I cannot guarantee on this.
Regards
RB