To find your HotSyncID, do one of the following: Run the application you are purchasing on your handheld device and select "Options: Enter Registration Code" in the application menu. Your HotSyncID will be displayed in the window that pops up. -OR- Run the application you are purchasing on your handheld device and tap the Register button in the "Trial Period Expired" window. Your HotSyncID will be displayed in the window that pops up.