<absolute_path>\<Rumba_install_file>.exe /a [/v"[TARGETDIR=<path>] [/q[n|b|r|f]]"]
for example:
C:\Users\Administrator\Desktop\Rumba_Office.exe /a /v"TARGETDIR=C:\ExtractedRumbaFolder /qn"
The Rumba.msi file is extracted to C:\ExtractedRumbaFolder.
The Rumba.msi transformed by window appears.