I personally really liked it. First of all, since it is an introductory level, it is good for those who are almost new to PowerPoint or have hardly used it. There are many more people in the science and engineering field who know how to use not only office programs but also professional software, rather than liberal arts students like me who don't know much about computers. So I'm emphasizing this because I've seen people leaving reviews asking why other office program lectures with similar introductory levels are so easy. If you watch the lecture in advance and think it's too easy, take the beginner level or higher lecture. If not, it's a really helpful lecture for absolute beginners like me. Introductory level lectures are originally lectures for absolute beginners like me. Anyway, let's talk about something else. The lecture content is really informative. It's even better because the instructor kindly explains each and every thing in the lecture. However, for those of you who use the permanent version of PowerPoint 2019 like me, please note that the lecture includes features that are only available in the Office 365 subscription version. When I asked about this, they said they were revising the lecture, so please note. However, since such functions are only introduced in very few cases, there is no problem in taking the lecture. And when I took the lecture, an answer service was provided, but today, the lecture is over and the answer service is no longer provided... ㅠㅠㅠ It's too bad that they answered so kindly ㅠㅠ Although the answer service is no longer provided, I think it is still a lecture worth the price. I really recommend it to PowerPoint beginners!