To follow this web usability tutorial you need to know how read English and how to use a web browser - nothing else!
Written by Philip Chalmers who is based in the Medway area of Kent, England, United Kingdom.
It looks like you do - you got this far.
The "Back" and "Forward" buttons and these buttons' drop-down lists - most browsers have drop-down list buttons beside the Back and Forward buttons.
The History list, if your browser displays it.
How to recognise and use links.
I'm sure you know this - you've reached this page!
If you're not confident about any of these:
Nothing else!