How do you create a Bootable Installer of your currently installed OS without having access to the Installer? I have Mavericks installed on my Mac. I want to create a Mavericks OS X Bootable Installer but I don't have the actual Installer file from the Mac App Store. My Mac came pre-installed with Mavericks so I never actually got a chance to purchase it in the Mac App Store. Since then I have purchased Yosemite and El Capitan from the App Store so I'm able to create Bootable Installers for those but not for Mavericks. How would I go about doing this? Again, I currently have Mavericks installed and it has a Recovery HD as well. My goal is to create a Bootable Installer for Mavericks before I update to the latest OS. All the guides I've found thus far require downloading the purchased Installer from the Mac App Store. Thanks.