1. First, check the regulations and requirements issued by the local construction administrative department on the first-level constructor examination.

Secondly, you need to prepare identification, education, work experience, training and other materials. Contact the local construction administrative department or the local organization responsible for the first-class construction engineer examination, and consult the specific requirements and procedures for students who have dropped out of school to apply for the exam.

3. Then, according to the requirements of the registration notice, register online or offline within the specified time. Pay the registration fee and submit the required application materials. After successful registration, you need to review and prepare according to the exam outline. Participate in training courses or self-study, master knowledge and skills, and prepare for the exam.

4. Finally, take the first-class constructor exam on time according to the time and place specified in the examination notice. Answer questions carefully during the exam and observe the exam discipline.