To enable your Apple ID, first determine if you need to establish one or sign in to an existing account. If you don't have an Apple ID, go to Settings on your iPhone or iPad, touch Sign in to your iPhone, and then Don't have an Apple ID or forgot it? Create a new account. To enter your information, simply follow the steps. On a Mac, go to System Preferences, pick Apple ID, and then click Create Apple ID. If you already have an Apple ID, go to Settings (or System Preferences on a Mac), then select Sign in and input your Apple ID and password. If you have difficulty, you can visit the Apple ID account page to reset your password through iforgot.apple.com.

To enable and unlock your Apple ID, take these steps:

• Enable Your Apple ID
• Create an Apple ID (if you don't already have one).
• On iPhone/iPad: Go to Settings > Sign in to your iPhone. Do not have an Apple ID or have forgotten it? and choose Create Apple ID.
• On the Mac, navigate to the Apple menu > System Preferences > Apple ID > Create Apple ID.
• Online: Visit the Apple ID account page and select Create Your Apple ID.
• Sign In (If You Already Have an Apple ID).
• On iPhone or iPad, go to Settings > Sign in and input your Apple ID and password.
• On Mac, go to System Preferences > Apple ID and sign in. 

Unlocking your Apple ID Online

•  Visit the official Website through iforgot.apple.com on compatible devices.
• Go to the Apple ID account page and click. Forgot your Apple ID or password?.
• Enter your Apple ID.
• Follow the steps to input your Apple ID and then click Continue.
• Choose the Recovery Method.
• Choose how you wish to reset your password (email, security questions, or two-step verification).
• Follow the Instructions.
• If you choose email, check your inbox for the reset link. Answer security questions correctly. Follow the on-screen instructions to enable two-factor authentication.
• Set a new password.
• Once verified, create a new password and use it to login in to your Apple ID.