The easiest way to create an installation is to create a new folder.  For this example, I'll call it RSMod.  RSMod needs to contain certain files.  The filenames highlighted in bold can be different for your installation.  The files in this example are

(To anyone unfamiliar with FAA Airport Codes, SFO is the code for San Francisco Airport and LHR is Heathrow Airport, London, United Kingdom)

On with the example:

The install.ini file would look like (this is only the bare essentials):

[install.ini]
Readme=readme.rtf
Name=RaggieSoft MOD
mmType=2
WWW=https://tallwoodband.tripod.com/rs/ar_installer
Author=RaggieSoft
AuthEmail=TallwoodBand@home.com
Timer=30
TotalFiles=2
Copyright=(C) 2001 RaggieSoft
[ProgressBar]
Smooth=False
[Files]
File1=RSMod_SFO.ar
File2=RSMod_LHR.ar

Copy the files listed above to the folder, RSMod.

Continue to Part 2, Single .EXE Creation