password reset

See the following Apple articles:

If your Apple ID is locked or disabled

If your Apple ID is locked or disabled - Apple Support (CA)

If your payment method is declined in the App Store or iTunes Store

If your payment method is declined in the App Store or iTunes Store - Apple Support

If you see a message that says “Your account has been disabled in the App Store and iTunes”

If a message says "Your account has been disabled in the App Store and iTunes" – Apple Support (UK)

Have you forgotten your password? -> 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

Did you read my post?