Here you can create MultiBoot USB Flash Drive with Multiple OS Step by Step Easy Guide.
Here you can download WinSetupFromUSB and updates of the tools included.
https://www.mediafire.com/file/1u766lsndseki7w/WinSetupFromUSB-1-8.exe/file
or you can visit the creators site and learn more.
www.winsetupfromusb.com