[vinciL]

If you only want to practice, XAMPP is always a free choice.
The only way to come up with a suitable name is to think of what your forum stands for, is about, etc.

[Dame.]

I have 2 3 letter/ character domains if you would like to buy one. H2V.ORG & F9K.NET. But besides that if you would like to learn how to use html, php & css check out the sites below.

CSS Beginner Tutorial
HTML & CSS live editor that helps you learn HTML & CSS for beginners
HTML 4 & HTML 5 Tutorial

[Jony Blaze]

Points you should think while choosing domain.
- Easily can be used for SEO.
- Try to make it short and small.
- Related to the topic of website