This is the second installment of my quest to install simulators on my Windows XP system for all the major smartphone platforms. Yesterday we covered the BlackBerry simulator; today we’ll tackle the Palm OS version of the Treo. The first step will be to the Palm developer center. If you don’t already have a free developer account, register for one now. (It’s necessary to download any of the simulators.) Since we’re covering devices based on Palm OS, I’ll pick the latest which is the Centro smartphone. Palm offers a simulator for each device, so follow these steps to get the…