Why does Rubeus Hagrid Come to 4 private drive?

Rubeus Hagrid comes to 4 Privet Drive to deliver Harry Potter's Hogwarts acceptance letter. After the Dursleys' attempts to prevent Harry from receiving his invitation to the wizarding world, Hagrid personally arrives to ensure Harry learns about his true heritage and the magical school he is meant to attend. Hagrid's arrival marks a significant turning point in Harry's life, introducing him to his identity as a wizard.