What's in the box?(1) 128 GB USB with 8 MacBook Operating SystemsEl Capitan, High Sierra, Mojave, Catalina, Big Sur, Monterey, Ventura and Sonoma
Instructions:

Check Compatibilityhereor by entering the following link on your browser;

Regular Macs:

1- Shut down or turn off the Mac.

2- Connect the bootable installer to the Mac.

3- Turn on the Mac, then immediately press and hold the Option (Alt) key.

4- Release the Option key when you see a dark screen showing your bootable volumes, including the bootable installer.

5- Select the compatible bootable installer. Then click the onscreen arrow or press Return.

6- Choose your language, if prompted.

7- Select Install macOS from the Utilities window, then click Continue and follow the onscreen instructions.

Instructions forMac with Apple silicon:
1- Shut down or turn off the Mac.

2- Connect the bootable installer to the Mac..

3- Turn on the Mac and continue to hold the power button until you see the startup options window, which shows your bootable volumes, including the bootable installer.

4- Select the compatible bootable installer, then click Continue.

5- When the macOS installer opens, follow the onscreen installation instructions.

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