Fastboot Unlock Oem 'link' -

so I can provide accurate, safe instructions for that device rather than generic commands that might not work or could cause issues.

Do not download random "Fastboot installers" from third-party sites. Use Google’s official binaries: fastboot unlock oem

When you toggle "OEM Unlocking" in Developer Options, you give yourself permission to eventually run the fastboot unlock oem command. The toggle itself doesn't unlock the bootloader; it merely tells the bootloader, “Hey, the user is authorized to run the unlock command.” so I can provide accurate, safe instructions for