It doesn't matter which one you decide because if you're going to build pages, you'll have to accomodate both. But I beg you, get the latest version of the browser you decide on. It's bad enough having to facilitate separate browsers yet alone trying to factor in the specific version of each browser. Get a Clue - take some time and surf the web. Bookmark the pages that you find appealing to you and ask yourself why.
Chances are millions of other people are thinking the same thing.
Two - Basic HTML Everything that I ever wanted to learn about HTML I found at the HTML Goodies web site. So I'll try to give you the super basics here. Step One - Open up Notepad.