Hi,
As with most laptops, the GPU is either incorporated with the CPU or it is permanently mounted directly on the motherboard. It is unusual to have a "plug in" type video adapter (GPU).
According to the products page from MSI regarding your laptop (https://www.msi.com/Laptop/PE70-2QE.html#hero-overview) it has an "embedded" GPU. I take this to mean that the GPU in mounted on the motherboard and that it is not a removable module.
Therefore I think that you will not be able to upgrade the GPU in your laptop.