Where are Steam Workshop files located?
For reference, the Workshop mods you subscribe to are downloaded inside this location: C:Program Files (x86)Steamsteamappsworkshopcontent253250.
How do I access Steam Workshop files?
Open your favourite webbrowser and go to the Steam workshop page. You don’t need to be logged in to view the workshop. Next, browse to the mod you like to have, and copy the URL from the top bar. Select ‘No Extraction’ & ‘Direct URL’, paste the URL of the workshop item and download the mod.