If you know the name of the test, type it into the Search box at the top of the screen. A list of all the tests containing the term appear beneath the search box.
If you do not know the exact name of a test or would like to browse, you can choose a Category from the middle of the screen.
After you log in and find a test, click on Start Test.
Choose the desired test mode and click on Start Test. The default test mode is Practice: See answer explanations after you have finished. If the test is timed, the timer will display but will not be enforced.
You have the option to complete and score the test in one sitting or save the test and finish it later (see buttons at top of screen).
When you have completed a test, click on Score My Test at the top of the page
You can even view the answers so you can learn from any mistakes you may have made.
To see a history of tests you have completed and ones currently in progress, click on Your Name-->My Center at the top of the screen.