My b2evolution Version: UPGRADE From 3.3.3

We have 3.3.3 for multiple bloggers on our new website, www.writersworld4all.com We are not at all experienced with any of this, and figured we would learn as we go. We have not had our webhost "plug in" the 3.3.3 yet, and my daughter let us mess with her new b2evo, edition. So lats night we are looking at hers and we like what we see. SO, we tried 2 or 3 times to uploade the upgrade thismorning and it does not go to our site. It goes to my home computer insteda. How do we get the upgrade to our site? Do we have to delete the 3.3.3 completely forst?

Also, what does the first thig a blogger who is registering sees? Do we have a Registration Form? If so, where and how do we figure that out? Where does a Registration Form show up at? This is all quite confusing and we really need fast help. This is an SOS! Thank you very much for any help I can get here. Glenn Raymond. :-/