Would go to your local library. They often have a notice board (notice wall at ours).
Loads of "join us for..." netball, pickleball, badminton, yoga, painting, gardening for local elderly, walking groups, running groups, book groups.
Look online for board game nights, painting nights ... our local (Greene King?) pub has quizzes, kareoke, craft groups, knit and natter with coffee and cake.
There's a local fix it group , meets twice a month in the village hall , that you can volunteer a skill at, if you have one (I set up phone stuff for people, and take my craft tools along to help fix jewellery).
It is just knowing where to find your people... try everything and anything.