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Microsoft Windows 10 (64-bit)

Greetings to all, first time poster here. I have the old HPZ 620 WS. The bios is updated to latest 3.96 along with all important drivers and Windows 10 updates. Was hoping someone could answer a few questions please?

HPZ 620 with HP Gen 1 Pcie card  using a Samsung SM951 MZ-HPV5120 512GB M.2  AHCI (Lenovo)

I was hoping for some guidance on what the proper Bios settings I should have to boot from the M.2?

I have Windows 10 already installed on a 2.5" SSD.

Is it ok to clone existing OS or best to do a fresh install?

Can I do a fresh install using my existing Windows 10 pro license code?

I really appreciate any pointers and advice, thanks in advance.

HPZ 620- HPZ 230
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