Install WebGUI using to the instructions at: https://github.com/plainblack/webgui/tree/WebGUI8
Make sure you select all the defaults (do not change the "admin" user password)
Pick the site design: "Style 03" (This is the style selected for testing)
Download and install the Selenium IDE from: http://seleniumhq.org/projects/ide/
Take a look at the Selenium IDE documentation: http://seleniumhq.org/docs/02_selenium_ide.html
Youtube videos can be quite handy:
http://www.youtube.com/watch?v=i4NTGUm6oeQ
http://www.youtube.com/results?search_query=selenium+tutorial+for+beginner
Use the Selenium IDE to open the test suites:
adminSuite.html
frameless/suite.html
GOTCHAS ---
Change: <link rel="selenium.base" href="http://webgui.dbash.com" /> TO: <link rel="selenium.base" href="http://your_test_website" />