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How to Create a Bootable macOS Tahoe 26 Beta USB Installer Drive
- Creating a bootable macOS Tahoe installer USB is useful for clean installs, upgrading multiple Macs, or having a recovery disk readily available.
- Requirements include a 32 GB (or larger) USB flash drive, the 'Install macOS Tahoe.app,' a Mac compatible with macOS Tahoe 26, and familiarity with using the Terminal.
- To create a bootable installer, download the full Tahoe installer from Apple, open the package installer, connect the USB drive, format it using Disk Utility, and use Terminal to run a command to prepare the installer.
- Once the bootable installer is created, you can install MacOS Tahoe beta on any compatible Mac or virtual machine.
- To boot from the MacOS Tahoe USB flash drive, the process varies for Apple Silicon Macs and Intel-based Macs.
- For Apple Silicon Macs, connect the USB and hold the Power button until the Startup Options screen appears to boot from the Tahoe volume.
- For Intel-based Macs, restart with the USB connected, hold down Option, and select the Tahoe installer drive from the boot menu.
- After booting from the USB, you can perform clean installations, run Disk Utility, restore from Time Machine, or update multiple Macs effortlessly.
- While using a bootable installer isn't the only way to install MacOS Tahoe beta, it allows for clean installations and is preferred by advanced users.
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