Each macOS download is going to be sent to the Applications folder as an app namedInstall macOS [version name]. If the installer opens after downloading, quit it without continuing installation. To get the correct installer, download it from a Mac that uses macOS Sierra 10.12.5 or later, or...
Installing macOS on Your Mac After selecting theInstall macOSoption from the boot menu, your system will boot from the USB drive, and the macOS installer will appear on your screen. Click onContinue, and agree to the license agreement. ...
Prepare a USB disk of 8GB+ to receive the Mac OS Mavericks installation (the compressed download from the App Store is 5.3GB, so it will expand somewhat on our disk). Insert it into a USB slot and launch the Disk Utility.Erase all dataand rename the drive to a specific name: the scr...
Booting the Mac from USB in a way gives the power back to the user. The likeliest of the reason for choosing the boot from the USB method is that your Mac won't start which denies the user access to the computer. Using an external source like a USB drive helps the user get around ...
Way 1: Boot Mac from USB flash drive using Startup Manager Getting your Mac to load from a USB drive is fairly straightforward. Use the following steps, you can easily set Mac boot from an external drive in Startup Manager, so it’ll only boot from USB that one time. ...
How to install the OS from USB 1. Plug in your bootable USB drive and Restart your Mac while holding the Option key. Make sure to keep it pressed down. 2. When it restarts, you’ll have a few options. Choose your USB Installer. ...
Part 3: Steps to Install Windows 10 from USB Step 1:Boot from USB Insert your USB device into your computer's USB port and power on your computer. You may need to press a specific key (e.g., F2, F12, Delete) to boot from the USB device. ...
If you download a version that's older than what you're currently running on your Mac you might encounter an error message saying that you can't install it. If this happens, there is a possible solution you can try. Head over to our guide onhow to install macOS from USB, where you'...
Under Format, choose: Mac OS Extended (Journaled) All data on that disk will be lost, so beware. Go to Terminal (Phew, we’re almost there) This step will actually create the source disk so we can install Big Sur from bootable USB. ...
Install and run macOS from a USB driveStart by inserting the USB into your Mac’s USB port or the USB-C connector. Press the power button to turn on or restart your computer. Press and hold the “Option” key when you hear the startup sounds—this will bring you to the Startup Mana...