Coursera trial access will expire on September 30, 2020. You can find detailed information on frequently asked questions on the following link for the period after September 30, 2020.
URL:
https://www.coursera.org/for-university-and-college-students/?utm_campaign=header-for-students&utm_content=corp-to-landing-for-students&utm_medium=coursera&utm_source=header-for-students-link