If you're looking for assistance with how to use the forum and its features then the best place to start is the online help, which is available from the top of every page.
It covers most things from the very basics such as creating an account and logging in to more advanced features like uploading attachments, using the text editor, and using the Personal Messenger.
Some of the topics included are:
- How to Register
How to register and the added benefits of being a registered member. - Logging In and Out
How to log in and out from the board, how to remain anonymous and not be shown on the active users list and what to do if you forget your password. - Your Settings
Editing contact information, personal information, signatures, board settings, languages and style choices. - Topics and Forums
A guide to forums, topics, posts and polls. - Posting
A guide to the features available when posting or sending messages. Including the post editor, polls and attachments.
If you can't find an answer in those or in the other help files then post up your question and I'll do my best to help 