Hi, welcome to Joomla! I'm sure as a new person to website creation, it's all fairly confusing.
One thing to point out right away: This particular forum is NOT Joomla support, and I doubt you'll get much help asking here. Mostly I'm just curious what you're trying to do. 🙂
Downloading Joomla, do you mean the zip file here?
https://downloads.joomla.org
You mentioned BlueHost, so I assume you're using a command line to wget or curl the file? If so, what's the error message you're seeing? If not, then... what are you doing?