How to create a bootable installer for macOS (Update 2024)
1. Download macOS installer To get a full macOS installer, download macOS from the App Store or your web browser using the links provided here: How to download and install macOS. Download from a Mac that is compatible with the macOS you're downloading. If you’re downloading an older macOS, you may need to use an older Mac that is compatible with it. Download from a Mac that is using the latest version of OS X El Capitan, or any later version of macOS. Find out which macOS your Mac is using. Enterprise administrators: Download from Apple, not a locally hosted update server. After you have the installer: Make sure the installer is in the Applications folder of your startup disk. This is the folder that opens when you choose Go > Applications from the menu bar in the Finder. Make sure the installer is named Install [Version Name], such as Install macOS Sequoia. It must be an installer app, not a disk image (.dmg) or package (.pkg) that contains the installer. 2. Use the ' cre...