Need a recovery key

See the following Apple articles:

Set up an account recovery contact

Set up an account recovery contact - Apple Support

How to use account recovery when you can’t reset your Apple ID password

How to use account recovery when you can’t reset your Apple ID password - Apple Support

Help a friend or family member as their account recovery contact

Help a friend or family member as their account recovery contact - Apple Support (IN)

If you can sign into your account, see the article below.

2 Factor Authentication - How to generate a recovery key