Selecting the green button in an OS X app window brings you into full screen mode now. To Change the window size (like you used to) press option when click the green button to resize your app window. Press option when click the green button to resize your app window.

Mosyle
With Mosyle’s MSP program, HCS Tech Group offers MDM-related services to customers so HCS Tech Group can manage your endpoints and ensure your Apple devices are running smoothly. This will facilitate learning and how technology is used in your business, as well as lower your operational expenditure and time.