how can i can thme which i brought and refund?

Because i mistake selected a theme detail:
Rocker - Bootstrap 5 Admin Dashboard Template]
(Rocker - Bootstrap 5 Admin Dashboard Template by codervent | ThemeForest)

i want to cancel this theme.
So how can i cancel this theme and refund?

Thank you in advance.
Satit P.

Here you go…

Can I get a refund