The Understanding IEC 62443-2-4 e-learning XPRTU, online version, can be accessed via any web browser. Access is for a period of 1 Year. It also entitles you to get Certified for free when you take the Abhisam online Certification test for Understanding IEC 62443-2-4 within 1 year access period. Access will be granted within one business day after purchase, when you will be sent an email with your Login ID and License Key. Note that this course is included with the Professional version of the Industrial Cybersecurity (CICP) course.