How to replace SSD with M.2 drive in a real PC

Raking out an SSD and replacing it with a modern M.2 drive (aka NGFF apparenlty) in a real-world scenario.
M.2 Seagate Barracuda 510 1TB SSD Solid State Drive PCIe Nvme 3D TLC NAND:
US amzn.to/2MT0fyW
CA amzn.to/3sm6bRs
UK amzn.to/2LtNKJW
AU amzn.to/35zETgr
DE amzn.to/39vGZ2k
FR amzn.to/2KbYMTr (apparently FireCuda branded? Strange. Peut-etre trademark related)
IT amzn.to/3sjBXOW
AKA PN 2NS314-300 / ZP1000CM30001 / FW STPSC014
Links above are affiliate links.
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