downloading arduino
how do you do it. my macbook air will not open the download file as it was not sourced from the app store
MacBook Air, iOS 9.2.1
Gatekeeper options are found in
Apple menu > System Preferences… > Security & Privacy
> General tab under the header "Allow applications downloaded from:"
Select “Anywhere” to open the application.
After opening the application, go back and revert back to the default “Mac App store and identified developers”