How to install NVME SSD on older Motherboards PC

How to install NVME SSD on older Motherboards PC m 2 ssd slot motherboard Motherboard that has Slot with M key not always support SATA I received a new NVMe m slot SSD HD but when I opened my laptop m2 vs nvme slot If this is your PC's motherboard, it has a slot that supports NVMe SSD's HP Desktop PCs - motherboard specifications, Lincs

m2 vs nvme slot The Gigabyte motherboard has 3 slots available, marked M2A_CPU, M2B_SB and M2C_SB SSD 256 GB - HDD 2 TB

m24 slot wallet 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, NVMe SSD 50% slower on socket 1