I don't understand Step #4
1. Download the installation archive onto your computer
2. Extract the archive
3. Upload the files "install.php" and "WCFSetup.tar.gz" to your webserver
4. Start the installation by navigating your browser to the file "test.php"
I have installed via FileZilla to the public_html folder as directed by step 3. I just can't figure out what to do next.