Steps to Create iCloud App Password to login and Access iCloud account with a Third-Party Application.
Step 1 : Open https://www.icloud.com/ and login your apple id.
Step 2 : Click on the Account Settings option.
Step 3 : In the iCloud settings, click on the Manage option.
Step 4 : Sign-in again with the valid credentials to verify the Apple account.
Step 5 : Now, under the Sign-in and security, click on App-Specific Passwords.
Step 6 : Click on the Generate the app-specific password option to generate the password.
Step 7 : Mention the app name and click on Create button.
Step 8 : Finally, you can copy the generated password to access your iCloud account.
Step 1 : Open https://www.icloud.com/ and login your apple id.
Step 2 : Click on the Account Settings option.
Step 3 : In the iCloud settings, click on the Manage option.
Step 4 : Sign-in again with the valid credentials to verify the Apple account.
Step 5 : Click on Account Security under the Sign-in and Security option.
Step 6 : Click on the + (Plus) icon shown in the screenshot.
Step 7 : Enter the mobile number by choosing county code and click on Continue.
Step 8 : Provide the OTP received on the given mobile number and click Continue to enable two-factor authentication.