reinstall windows 10 - why do I need the product key

[Cedric Mialaret]

My old laptop (Dell XPS 15) crashed and I had to purchase a new mSata drive and reinstall Windows 10 with the Windows Media creation tool.A. Before, it was possible to select Windows 10 Pro from a list, but now only Windows 10 is selectable, and Windows 10 family was installed instead of Pro.B. I was under the impression that the product key was saved in the bios but this doesn't seem to be the case since I'm told my windows is not activated.C. Is it not found because I disabled secure boot in the bios?I had to set the boot options to Legacy instead of UEFI in the bios, since I was tasked to c

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