this link only left me to a download page with nothing to actually download. the stable versions are 0.12.35 and steam release is on 0.13.9

My current version of Factorio is 0.13.8 although my current version of the base mod is 0.12.35 . clearly this is a problem for modding. if anyone can link me a place to download the files for base mod 0.13.8 that would be a major help,