How to Factory Reset Your MacBook (and Reinstall macOS)

Here's how to factory reset / wipe all data from a M1 M2 M3 M4 MacBook and reinstall the operating system. This will format the MacBook as if it were the very first installation. You can then set it up again as new and download a newer OS if one is available or use the existing.

Step by step instructions

* * If you've lost of forgotten your passcode and you need to get back into your MacBook, don't delete the data, watch this video below and follow the steps:

Get back into Macbook, no data loss - https://youtu.be/bSgpa7uC5c4

Setup MacBook - https://youtu.be/aiPw_z4Nw-k