Bridge Base Online is an excellent resource to play bridge, practice bidding methods with a partner, or just watch. Good News - now everyone can get onto Bridge Base and best of all--it is FREE! It is a web based software so you no longer have to download software on your computer (which formerly only worked on Windows based computers).
This series of articles describes how to go about using Bridge Base Online, so go on -- give it a try.
Part 1 -- Accessing the website, setting up your account and general site navigation
Part 2 -- Joining a table and playing online with partners, chatting with other players