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#Clean install macos catalina without usb how to

Then click the "Erase" button.Īfter the USB drive is prepared, open the Terminal in MacOS. Make sure the format is Mac OS Extended (Journaled) and that the scheme is GUID Partition Map. Once Disk Utility is open, make sure that the view is set to show all devices.Ĭlick the USB drive, then click "Erase" in the top menu. To get into Disk Utility, just click the magnifying glass and type "Disk Utility. Click "Get", and then "Download".įormat your USB drive using Disk Utility. OC_GEN-X - Download the zip file for the most recent release.MountEFI - Click the "Code" button, then "Download Zip".

ProperTree - Click the "Code" button, then "Download Zip".

Here are links for what you will need followed by the download instructions. There are a few programs you'll need during this process so start by downloading them. Using MacOS to Create the MacOS Installer But I'll cover the steps for macOS and Windows. If you can, find a Mac machine to use to create the bootable USB installer. The process is much simpler to do on macOS, but it still possible on Windows. The process is different depending on if you are setting up the bootable USB installer using macOS or Windows. Downloading MacOS and Creating a Bootable USB Installerįor this step, you will need a USB drive that is at least 16GB. If you want to be safe, you can use exact parts I used in my build but it is possible to install macOS on a wide variety of hardware. In the video description is a list of the specific parts I used.

#Clean install macos catalina without usb how to

In the video above I demonstrate step-by-step how to build a computer that will work as a Hackintosh. Check this website to see what hardware is compatible with a Hackintosh. Many computer parts work for Hackintoshes. And in many places it is illegal to sell a Hackintosh. So don't plan on taking this into an Apple store for repair. It is not illegal to create a Hackintosh for personal use but it does go against Apple's End User License Agreement.