macOS has seen a steady increase in the past few months, and it has now become the second most popular operating system for desktops worldwide. According to recent data from StatCounter, macOS has secured the second position with an adoption rate of 21.38 per cent.macOS has seen a steady increase in the past few months, and it has now become the second most popular operating system for desktops worldwide. According to recent data from StatCounter, macOS has secured the second position with an adoption rate of 21.38 per cent.