I forgot about this. Valve released a 64-bit build of Steam two months before Catalina came out [1], but they did not migrate users of the 32-bit version to the

I forgot about this. Valve released a 64-bit build of Steam two months before Catalina came out [1], but they did not migrate users of the 32-bit version to the 64-bit version automatically. https://9to5mac.com/2018/07/27/steam-for-mac-64-bit/ https://9to5mac.com/2018/07/27/steam-for-mac-64-bit/