For most PC laptops, the model name is printed on a sticker on the bottom of the device.
Surface Laptop 7 15"
Surface Laptop 7 13.8"
Surface Laptop 6 15"
Surface Laptop 6 13.5"
Surface Pro 11
Surface Pro 10
Surface Laptop Studio 2
Surface Laptop Go 3
Surface Go 4
Surface Laptop 5 15"
Surface Laptop 5 13.5"
Surface Laptop Go 2
Surface Pro 9
Surface Laptop Studio 1
Surface Laptop 4 15"
Surface Laptop 4 13.5"
Surface Pro 8
Surface Pro 7+
Surface Go 3
Surface Book 3 15"
Surface Book 3 13.5"
Surface Laptop Go 1
Surface Pro X
Surface Go 2
Surface Laptop 3 15"
Surface Laptop 3 13.5"
Surface Pro 7
Surface Laptop 2
Surface Pro 6
Surface Go 1
Surface Book 1 2 15"
Surface Book 1 2 13.5"
Surface Laptop 1
Surface Pro 5
Surface Pro 4