Serious answer - get some hobbies that involve leaving your house. Take chances to meet new people - accept invitations. Chat with people in casual places - depending on your age, campus events, coffeeshops, places like that. Don't expect to hit it off with everyone, and don't expect any interaction to immediately lead to a date. Once you get the casual interaction and meeting people down, you're more likely to meet a young lady that you're interested in.
ETA for some suggestions of places to expand your social circle irl: local events (shows, concerts, groups of any kind), clubs on campus (if you're a student) or local groups if you're a adult, classes or lectures, volunteering, casual activity leagues (a lot of places have bar...
? Where do I find someone like that?