I have been locked out of my iCloud account

Click the link below that most closely matches the disabled message:

• If you see a message that says 'Your account has been disabled in the App Store and iTunes' - Apple Support - note that resolving this requires contacting an iTunes & App Store support representative using the link in the article; you cannot resolve this on your own
• If your Apple ID is locked or disabled - Apple Support

Check your Apple ID via your email box, see this Apple article: If you forgot your Apple ID

If you forgot your Apple ID email address or phone number - Apple Support                  

OR see -> Having trouble signing in?

https://iforgot.apple.com/password/verify/appleid

See this Apple article: If you forgot your Apple ID password

If you forgot your Apple ID password - Apple Support

Then see this Apple article: What to do after you change your Apple ID or password

What to do after you change your Apple ID or password - Apple Support

See also -> If you can't connect or sign in to iCloud

If you can't connect or sign in to iCloud - Apple Support

You are sign in here .  .  .  with your Apple ID & Password.

Your Apple ID is the personal account you use with all Apple products and services. It includes the email address and password you use to sign in, as well as the contact, payment, and security details that you use with Apple.

You can’t merge multiple Apple ID accounts.

What happens when you use the same Apple ID & Password that you use to sign in here?