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Find what you enjoy or can do easily, then look for a job that you do that at the job. Find out what requirments are needed to apply, get said requirments. Then apply, apply again, and apply some where else again.
If you can burn a couple thousand go to a community college and take a bunch of odd career type classes that sound interesting till you find what you like. Alternatively if you're in college do gen-eds and talk to a career counselor and maybe have them hook you up with people in the field. If you're not in college then just find people in various fields to talk to about what they do and advice on how to get there.