Since I couldn’t find it on the forums, and it has been requested;
And that someone was kind enough to backup the retired website.
http://st0rage.org/~graalreborn11/ace2896/www.geocities.com/ace2896/pg/thedownloads.html
Thanks to Ace2896 for taking it out of his time, years ago, to make this guide for everyone interested in GS1.