> I had to go into my preferences to enable the ability to run software downloaded from the internet Wrong, the default Gatekeeper setting is set so that: - y

> I had to go into my preferences to enable the ability to run software downloaded from the internet Wrong, the default Gatekeeper setting is set so that: - you don't have to if the software is recent and signed by the developer. - you don't have to either for unsigned code: as explained in the dialog that pops up, you can right click instead and choose open, which will pop up a similar dialog alllowing you to whitelist this app only. Threfore, don't ever turn off Gatekeeper in Preferences.