how can I unlock my disable apple id for security reasons?

"If you forgot the answers to your Apple ID security questions" click here --> https://support.apple.com/HT201485

If you see the message "not sufficient information" see if at this stage you can still sign up for Two Factor Authentication:

Two-factor authentication for Apple ID --> https://support.apple.com/HT204915

If you cannot resolve the issue by signing up for Two Factor Authentication, "Contact Apple for help with Apple ID account security"; click here --> https://support.apple.com/HT204169

If your account has been disabled for security reasons

If you see one of the following messages, your Apple ID locked automatically to protect your security and you can't sign in to any Apple services:

• “This Apple ID has been disabled for security reasons”
• "You can't sign in because your account has been disabled due to security reasons"
• "This Apple ID has been locked due to security reasons"

You need to reset your password to regain access. Find out how to reset your password. 

Source and more information - If your Apple ID has been locked or disabled – Apple Support (UK)