Additional SSD drive on slot: No screws or anything?

How to install NVME SSD on older Motherboards PC m 2 ssd motherboard slot , I'll go step by step on how to add an to an occupied one-slot setup Product Links m2 slot mainboard 2 PCIe drive is only compatible with the slot on the motherboard The slot supports different cards However, the SATA SSDs can use both

m2 pcie 40 in 30 slot List of Motherboards with 2 Ports: Gigabyte B760M AORUS ELITE X AX, ASRock H610MAC, GIGABYTE B650M D3HP, ASUS Prime A620-PLUS WiFi, ASUS PRIME B760M-A,