The complicated plot of the Harry Potter movies required a certain amount of background knowledge to understand the meaning behind it. Therefore, if you don't have enough experience watching the Harry Potter movies, it's recommended to watch them in succession so that you can better understand the plot and character development of the movie. In the process of watching the movie, you can first learn some basic knowledge about the Harry Potter series, such as Hogwarts School of Witchcraft and Wizardry, magical creatures, Quidditch games, and so on. At the same time, you can also pay attention to important characters and clues in the movie, such as Harry Potter's parents, Voldemort and his followers, the friendship between Hermione and Ron, and so on. If you don't have enough experience watching movies, it's recommended to watch a few movies in a row to gradually understand the plot and character development of the Harry Potter series. Then, based on your own understanding, you can decide whether you want to delve into the details and deep meaning.