Apple.com/recover

You can recover or reset your apple ID password. Account recovery is a process designed to get you back into your Apple ID account when you don’t have enough information to reset your password. If you are not able to remember your recovery email address, password or security questions, the visit apple.com/recovery and follow the simple procedure to get a new apple recovery key.

How to get a new apple recovery key from apple.com/recovery?

Here is the way to get a new apple recovery key:

First and foremost got to the apple.com/recovery official site and then select the ‘manage my Apple ID’ option.
Login into your Apple ID with your username and password.
Now once logged in, it will ask you to verify your credentials.
You can verify either by using a phone number or a trusted device.
Then from the left side choose the ‘security’ option.
Next, select the option ‘Replace Lost Key’.
Now, Apple will take you a simple setup process to generate a new Apple Recovery Key.
Follow the process and once you get your recovery key.
You can either print the recovery key or write it down and place it in a secured location.
After that, you will have to re-type the recovery key so that you can confirm that the Apple Recovery Key is working.

Create an Apple ID Recovery Key

Open Settings on your apple device.
Go to Your Name - Password & Security. Scroll down to find Recovery Key.
Tap the switch to enable it. You’ll be asked to enter your device passcode. Then, a recovery key will be generated for you. Write it down or save it in a password manager that you can access on non-Apple devices or on the web.
Confirm your Apple ID recovery key by entering it on the next screen.

Change Your Apple ID Password With Two-Factor Authentication

Here's how to change your Apple ID password using two-factor authentication on a Mac desktop or laptop computer:

From the Apple menu, select System Preferences.
In macOS Catalina (10.15), select Apple ID > Password & Security, then select Change Password.
In macOS Mojave (10.14) or earlier, select iCloud > Account Details > Security, then select Change Password.
To continue, authenticate yourself by entering the password you use to log in to your Mac.

Go to apple recovery official website: Apple.com/recover and follow the procedure to obtain new recovery key to get back your apple id. Change your id password by following simple procedure.