How to unlock macbook air without password or apple id

Sign in to iCloud.com/find, then select your Mac from the Devices menu. Select Unlock and follow the steps to verify your identity. Unlock your Mac from your iPhone, iPad, iPod touch, or Apple Watch using your device passcode.

As a result, if you want to factory reset a MacBook Pro 2020 (either with a T2 or M1), you can't do it without Apple ID. But you can retrieve it or request access to the Apple ID previously signed in this computer from Apple Support. Then wipe the content and settings of the Mac and reinstall macOS.