How do I load a track I've downloaded from this site?

For what specific game? We need a few more details than just the question. By the way, welcome to the site, Also!

He's right. The different games affect how you upload the file

How do I load a track I've downloaded from this site?

I figured it out.  Thank you though.  I'm sure I'll have more questions.  Love the site.

We'll be happy to answer any questions you may have