I have a Macbook Pro 2.4 GHz Intel Core 2 Duo with 4GB 667 MHz DDR2. It is running 10.6.8 1. Can I upgrade this to Mavericks? Would it run OK or would it run slower by upgrading to Mavericks? 2. I would like to completely wipe it first. How do I wipe it before installing Mavericks? Thanks.