I have a lot of BTC lying around somewhere from way, WAY back when BTC was in its infancy. It kills me everyday not knowing how to get it back. I've been throug

I have a lot of BTC lying around somewhere from way, WAY back when BTC was in its infancy. It kills me everyday not knowing how to get it back. I've been through a few computers so far and most of my data is gone. Anyone know how to retrieve it?