re:how do I begin

Does “have downloaded wordpress through dream host” mean you have used automatic install using Fantastico Deluxe?

Or did they created a WordPress site for you?

Either way, there are plenty of tutors:

If your site is not installed yet

### Installation tutors:

http://wpthemes777.com/tutorials/how-to-install-wordpress/

http://www.wp101.com/videos/how-to-install-wordpress/

http://codex.wordpress.org/Installing_WordPress

### To use WordPress:

Here is the free WP training videos from Lynda.com, expires August 24, 2012: https://www.facebook.com/lyndadotcom/app_325181790894701

http://www.ponderconsulting.com/wordpress-training-videos

http://www.getmyownwebpage.com/

You can verify if it is installed by using the cPanel File Manager, see if there is files that starts with “wp-” inside the public_html folder.

File Manager tutor:
http://www.siteground.com/tutorials/cpanel/file_manager.htm