MY LAPTOP SPEC NOT COMPATIBLE ENOUGH FOR STUDIES

Model : DELL INSPIRON 15 3000

My dad bought me this laptop in 2022. I tried opening Microsoft Teams but it was slow, very slow. I cannot imagine using this laptop for future use. And the fact that it is heavy is not convenient at all. Thoughts on the specifications? How should I convince him that I need a new laptop. Im not asking for god tier gaming spec. Btw, doing business degree if that helps for any suggestion.