upgrading laptop

Hello guys, I've been planning on upgrading my laptop recently due it's extremely slow performance. I have an HP 14q-cs0014TU laptop with Intel(R) Core(TM) i3-7020U CPU @ 2.30GHz . I wanted to purchase a PCIe NVME ssd 250 GB. On the motherboard there is an M.2 slot( can fit nvme) with SSD...