…Ĭlick on “Continue” to begin with the macOS Catalina installation procedure. Head over to the dosdude1 website and click on “Download Latest Version” to begin downloading the macOS Catalina Patcher on to your system. How to Download a Full MacOS Catalina Installer Without the App Store Apple recommends only system administrators follow these steps since a bootable installer isn’t necessary to update or even reinstall macOS. Using an external drive, you can install or reinstall the Mac operating system on a supported device. Subsequently, Can you install Mac OS from USB? Use an external drive or USB to install a fresh copy of macOS. Give the USB stick a name, then click Erase.
…Ĭlick the Erase tab and make sure Mac OS Extended (Journaled) is selected in the format tab.
Plug in the USB stick and launch Disk Utilities. When it’s finished, the installer will launch.
Download macOS High Sierra from the App Store.
