Good afternoon everyone,
I have finally had the time to create a patch 1/2 compatible ISO file. (Apply patch 1 before patch 2). As the steam version was distributed with patch 3 applied straight away, you need to use the image and your steam files to allow for downgrading. As you know, patch 3 destroys all modability of the game, rendering Human Resistance files useless.
The Mediafire link is as follows for the file: