Iwant to unlocked my my iPhone 11 pro max i forget my icloud

If it’s your Apple ID that was forgotten:

If you forgot your Apple ID - Apple Support

If it’s someone else’s Apple ID, that and its password will be required to release Activation Lock. Without that information, the iPhone will remain useless forever.

Here is guidance on how to reset a forgotten iCloud/Apple ID password→If you forgot your Apple ID password - Apple Support