"How to Date Billy Walsh" is a 2024 British teen romantic comedy film directed by Alex Sanjiv Pillai. The story centers on Archie Arnold, a schoolboy who has been secretly in love with his childhood best friend Amelia Brown. As they start their final term at Heathbrook Academy, Archie plans to confess his feelings to Amelia. However, their dynamic changes with the arrival of Billy Walsh, an American transfer student who quickly becomes popular and captures Amelia's heart. Archie, feeling jealous and sidelined, ends up helping Amelia try to win Billy's affections by pretending to be a "Love Doctor" giving her advice, which ironically brings Amelia and Billy closer together

. The film explores themes of unrequited love, jealousy, and teenage romance through this love triangle. It was released on Amazon Prime Video on April 5, 2024

. The movie received mixed reviews, with some criticism focusing on the characters' development and chemistry, and the predictability of the plot

. If you are asking how to date Billy Walsh in the context of the movie, it involves navigating the complexities of teenage relationships, dealing with competition, and sometimes using unconventional methods like the advice from the so-called "Love Doctor" that Archie impersonates to help Amelia