Cecil B Demille's 1915 film of Prosper Merimee's 1845 novella (which was the basis of Bizet's famous opera.) Carmen, a gypsy woman, seduced lawyer Don Jose in an attempt to assist her clan's smuggling trade. Don Jose is obsessed with Carmen and turns to crime to maintain her attentions.
You can stream Carmen (1915) free and legally on OldReel, via the Internet Archive.
Yes — it is in the public domain and can be watched and shared freely.