Hmm... Well I assume like so many people here, I grew up enjoying furry media without realising it actually was because furry. Sonic the Hedgehog, books with animal protagonists, that sort of thing.
My first introduction to the actual furry fandom was a NSFW flash "game" called Beach Linda where basically you chatted up and sexed a fox woman. It was strangely alluring to me, and for some reason I found myself looking up other stuff, eventually finding bondofox.net (which somehow is still up, after all these years). I then found furaffinity and have been lurking there ever since.
I pretty much only lurk on the NSFW side of the fandom and don't really talk to people. I'd like to get involved in the fandom more, both SFW and NSFW, but social anxiety suuuucks.