If you are exempt from the obligation to hold a Dutch Basic Health Insurance and are not covered by insurance in your home country, you are advised to opt for private Health Insurance or Expat Insurance Package. This is often required for the immigration process.
If you are a student and you don’t have a (part-time) job or paid internship, you may check the various insurance packages that are available for International Students in the Netherlands.
Read more about your options as an international student here: Insurance | Study in Holland