16GB USB-A Bootable Apple MacOS High Sierra installer, w/ instructions

16GB USB-A Bootable macOS High Sierra installer, w/ instructions. Perfect for owners of Mac computers needing to update, reinstall or upgrade their OS, fix slow booting Mac’s, or for anyone wanting to have an emergency Mac bootable disk on hand. Each bootable installer includes: - Bootable installer - Terminal - Disk Utility - Ability to format / clean install onto HDD - Upgrade/downgrade of OS onto current HDD - Startup Security Utility - Network Utility - Ability to Restore from a Time Machine backup NOTE: If you need a different macOS you have to message in advance (or with your order) to let me know, I have them all and can provide exactly what you need. You can choose from: - macOS 14 Sonoma - macOS 13 Ventura - macOS 12 Monterey - macOS 11 Big Sur - macOS 10.15 Catalina - macOS 10.14 Mojave - macOS 10.13 High Sierra - macOS 10.12 Sierra - Mac OS X 10.11 El Capitan - Mac OS X 10.10 Yosemite - Mac OS X 10.9 Mavericks - Mac OS X 10.8 Mountain Lion - Mac OS X 10.7 Lion - Mac OS X 10.6 Snow Leopard