I own some bitcoin, but forgot how and where i stored them. How can I find my lost bitcoin?

I own some bitcoin, but forgot how and where i stored them. How can I find my lost bitcoin?

I purchased one bitcoin back on 2/8/14 and now don't recall having any kind of account information. I actually forgot about the purchase until recently. My email address has not changed since I purchased the one bitcoin back in 2014. Not sure how to access that one bitcoin in the event I would ever want to sell it or just know how to get to it. Thanks for any guidance you can provide.

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