I totally understand that. That is why this was so confusing to me. Obs uses directx 9, and prompted me upon installation that I was lacking, even with bl2 installed. corruption could have been a thing, as I couldn’t seem to get steam to verify cache integrity.
But yes, I too observe that all games I’ve installed come with the appropriate architecture. I did a couple clean installations of w10 and both have been riddled with permissions errors. Definitely the clumsiest version of windows I’ve dinked with yet, this w10 lol. The os literally trips over itself more than I do haha