How to learn the piano basic from free online videos

I constantly hear from people who are trying to learn how to play the piano online for free: "I'm not improving from free online videos." "The keys (on the virtual keyboard) are moving too fast." "I don't know what they are talking about." "I've learned this song on the virtual keyboard on . But I forget all in a few days."  Yes, I hear you all. First of all, learning how to play piano from a teacher in person is a lot better way than learning from online videos. But I know that there are a lot of people who can't afford the piano lessons. So, those of you end up trying to learn it from online videos such as videos. But before going into how to learn from online videos, let's break down these videos into 2 types

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