Q: I forgot my first name of best friend in the high school in security question

Hi

This is a user-based technical support community - you are not taking with Apple here.

If you set a rescue email address, you can reset your security questions. Follow the instructions here to check whether you have this option available:

If you forgot the answers to your Apple ID security questions - Apple Support

Otherwise, you will need to contact Apple Support. Country-specific contact information for Apple ID issues is available here:

Contact Apple for help with Apple ID account security - Apple Support