Where does a single file setup.exe get extracted to?

Where does a single file setup.exe get extracted to? I am trying to run another install included in the setup.exe prior to installing the files but it $EXEDIR does not find it. Do the files get extracted to some temp dir before installing?

$EXEDIR is the path where installer currently running.
You should extract the included another installer into $PLUGINSDIR and call it from there, e.g.

Function .onInit

InitPluginsDir

File "/oname=$PLUGINSDIR\another_installer.exe" local_file_name.ext

ExecWait "$PLUGINSDIR\another_installer.exe"

.........

.........

FunctionEnd

Thanks, that helps.

Thanks a bunch for your help with this

Thanks, that helps.

Thanks a bunch for your help with this