Password

I want to change my password on here and it's so difficult trying to find out how to do this please assist

It's shown under the Help and how to use the forum thread on the left hand side.

However, simply make sure you are logged and go to User Control Panel under User menu on the left.
Click the Profile tab, select Edit account settings. Enter your new password in the New Password box, confirm it and then enter your current password in the bottom box and click submit.