I'd recommend you work your way through all the links on this page, working your way from left to right: Download VMware vSphere with Operations Management Evaluation - Free Managed Virtualization for 60 Days
You can get yourself to VCP level, although it's much harder with no experience.
You also have to think about what you will do or expect to happen when you are certified - I'd suggest to look for ways of building your commercial vSphere experience up...