Web hosting file upload/download

[psimdars]

I signed up for free web hosting. I used this site because it had the best overall rating. For some unknown reason you have people sign up for forum use too.
I want to upload some files. I looked at the FAQ and it said to go to some link and sign in. I logged in and it said OK. Then it said I had to link the forum to the hosting or something like that and I put my username down. But it fails there.
How do I got to the place where I can actually put some things on the web page?
It shouldn't be this complicated, should it?

[Christopher]

What is your cPanel username?