macOS Sierra (version 10.12 ... the update will be available free of charge from the Mac App Store, just like past versions of OS X.

Table of Contents How to change your Mac's screen resolution with an external monitor Change your resolution with your MacBook’s built-in monitor Changing your screen resolution in macOS should ...

That's not to say Windows 10 is an ugly OS – it certainly beats Windows 7 ... Windows lets users snap applications to the side of the screen when compared with the macOS alternative.