How do i use a mixing template i downloaded in cubase 5

Im having trouble getting my volume levels right so the guy from musician on a mission sent me a gain staging template but i dont know how to use it. Like how do i get it in to cubase so i can pull it up at same time as my track and use it

Since there are no such things like “gain staging templates” in Cubase - why don´t you ask him, what kind of file he sent you and how to apply it…?