The system will download, ask if you want to install now and with that click you’ll be updated in 30 minutes, but before you click that button, let me stop you and show you a super easy way to create a flash drive installer for Mavericks and I’ll tell you why you might want to do this.Īlthough the new OS X Mavericks operating system is free, you simply download it as you would any software update, and although you can at any time restore the operating system fro the built in backup (all modern Macs have two operating systems installed, the backup operating system can be booted by simply holding down the Command and R keys while booting up and selecting the Recovery option. With the release of OS X 10.9 Mavericks as a free OS update for Macs, everyone will be clicking the Software Update button and let the amazing Mac operating system update itself while you sit back and enjoy a nice mug of hot chocolate.