Refer to the documentation, it'll likely be in there. Link to Documentation
You probably could FTP the files to a location, but you'll need SSH to run the installer and start the app.
I dunno if this is the correct place to ask, but I'd like to hire someone to make a custom theme. It's nothing radical, and the design mockups are all done. Just need someone to turn it into LESS and do the templating really (not looking for just a CSS skin).
I need just a few things for your proposal:
Rough time to completion estimate (hours)
Example(s) of past nodebb theme work
Thank you very much!