Best answer by Laura
Hi @Allthebest. There are 5 courses in the Google IT Support Professional Certificate Specialization. From this Specialization page, click on "Courses" and then click on the title of each course listed. On each course page, you'll find information on about how long it will take to complete the course.
Course 1, Technical Support Fundamentals: 18 hours
Course 2, The Bits and Bytes of Computer Networking: 24 hours
Course 3, Operating Systems and You: Becoming a Power User: 24 hours
Course 4, System Administration and IT Infrastructure Services: 15 hours
Course 5, IT Security: Defense against the digital dark arts: 18 hours