Go places that people want to go, do things that people want to do. Live an interesting life and people will find you interesting.
For me it was Motorcycles. I had one, I knew cool roads, nice views, interesting villages and I was constantly out at get togethers.
I met my fiancée at a BBQ hosted by a motorcycle gear shop. She was interested in cool roads, nice views, interesting towns and so interested in me. Motorcycling (like body building) generally doesn't attract women, it attracts men, don't motorcycle for girls.
Before that. I attended dance class. I met a bunch of people, there's music, exercise, skill expression, creativity, physical contact (I danced Lindy Hop) natural endorphine producers.
I didn't creep, I was polite, I expressed positivity (If you don't have anything nice to say, don't say anything. No-one knew the songs I hated, but they knew the ones i liked. People would seek me out for those songs because they knew it was gonna be A DANCE, etc) and semi groomed (clean, not stylish). I did the lesson as best I could, there were always more "leads" than "follows" so I was always in demand for the free dance time at the end. I asked them how they were, and (I cannot stress enough: WITHOUT CREEPING) about their lives. It's not an interview, it's a conversation, not everyone is a potential date. I was primarily there to learn to dance Lindy Hop and Charleston, meeting very pretty, in shape girls was a massive side benefit. Talking to them just kinda happens, you're together for a few minutes dancing away, might as well ask her name.
If conversation is hard, it is for me, practice at work. Force yourself to learn about people's lives, learn how to make it natural, learn how to recognise your hitting a boundary before crossing it. Work is great, people are forced to talk to you and you'll find extroverts (easy mode) and introverts (hard mode) there. When you have introverts telling you what they're up to, you know you can make people feel valued through conversation.
The truth is don't do anything for girls, any girl, that isn't a collection of red flags, can sense the insincerity. Do a thing you want to do, and go places where a girl that is interested in that thing might go.