How to Download and Install OS X Mavericks 10.9 DMG File
OS X Mavericks is the ninth major release of Apple's Mac operating system, which was announced on June 10, 2013, at WWDC 2013 and released to the public on October 22, 2013. It was the first version of OS X to be released under the name \"OS X\" rather than \"Mac OS X\".
OS X Mavericks introduced many new features and improvements, such as improved battery life, enhanced performance, better security, iCloud Keychain, Finder Tabs, Tags, Maps, iBooks, Safari, Notifications, Calendar, Contacts, and more.
If you want to download and install OS X Mavericks 10.9 DMG file on your Mac or create a bootable USB flash drive of the installer, this article will show you how to do it step by step.
Download OS X Mavericks 10.9 DMG File
The easiest way to download OS X Mavericks 10.9 DMG file is to purchase and download it from the Mac App Store. If you have already purchased it before, you can re-download it from the Purchased tab in the App Store. Alternatively, you can use this link[^1^] to download a disk image (.dmg) file for OS X Mavericks directly from Apple's website.
Once you have downloaded the OS X Mavericks installer file, you will find it in your Applications folder with the name \"Install OS X Mavericks\". You can either run it directly from there to install OS X Mavericks on your Mac or create a bootable USB flash drive of the installer using one of the methods below.
Create a Bootable USB Flash Drive of OS X Mavericks Installer
To create a bootable USB flash drive of OS X Mavericks installer, you will need a USB flash drive that's at least 8 GB in size. You will also need to erase and format the flash drive as Mac OS Extended (Journaled) using Disk Utility.
There are two methods to create a bootable USB flash drive of OS X Mavericks installer: using Terminal or using Disk Utility. Both methods are explained below.
Method 1: Using Terminal
This method uses a hidden command that is deep within the OS X Mavericks installer package that can create a bootable copy of the installer on any mounted bootable media such as a flash drive or external drive. Here are the steps:
Connect your USB flash drive to your Mac and make sure it is mounted.
Open Terminal from Applications > Utilities or use Spotlight to search for it.
Type or copy and paste the following command in Terminal: