Question M.2 ssd isn’t showing up in my bios or when I try to download windows 10 on my pc

Jun 6, 2020
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I’ve just built my first pc and I’ve tried to get windows on my pc but my m.2 ssd wasn’t showing up in the driver selection. I’ve checked in the peripherals under the NVME Configuration and it still won’t show
I have a B450M DS3H motherboard
The m.2 is a crucial P1 500GB 3D NANA NVMA PCIe M.2 SSD
What show I do