How to Unlock my ICloud details.

Go to https://appleid.apple.com and attempt to log in. Note the message if you cannot.

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

See -> Use parental controls on your child's iPhone, iPad and iPod touch

Use parental controls on your child's iPhone, iPad and iPod touch – Apple Support (UK)

• 👉 Check restrictions -> tap Settings -> Screen Time -> Content & Privacy -> scroll to Allow Changes.

Tap on your name at the top of that page. The fact that your name appears means that you are logged in to iCloud.

What is the exact message you see when you tap on your name?