Anyone?

Bueller???
I've run backup buddy and uploaded the zip file and the importer.php script (all for a server migration for a WP blog) to the new host.
All instructions then say
"navigate to the importer.php file and follow the steps in the wizard." Ha Ha. ROFC (rolling on floor crying).
I can navigate to the php file all day long but I don't know how to do anything with it or get it to run. I feel like I'm standing in the flames of tech hell with just one final step to nirvana (!!!) but I don't know how to step.
(Best analogy I could come up with...I've been dealing with this all weekend now. I'm stubborn enough to be determined to do it my self but I really need an assist.)
Anyone?? -- MM