HP pavilion 2777TU g6: downgrading Windows 10 to 8.1 showed a 0xc0000225 error. How to recover without data loss?

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• HP PAVILION 15-ab115la: Pavilion 15-ab115la: Downgrade Windows 10

  Hello

  Last week, I bought a new HP Pavilion, it included 10 windows.

  I used to work with Windows 7 and I'would like to downgrade 10 Windows to Windows 7, is it possible? y at - it a disvantages?

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  I used to work with Windows 7 and I'would like to downgrade 10 Windows to Windows 7, is it possible? y at - it a disvantages?

  You're not really downgrading, because Microsoft "Downgrade rights" apply only to Windows Pro/Business. You simply install another version of Windows on your computer. Yes, it's possible! Yes, there are drawbacks... like the lack of support of the HP drivers

  Is useful to mention that I have a legal key for Windows 7.

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  Additional, I know that the Windows 10 key is "embedded" in the BIOS, so if I downgrade to Windows 7, then return to Windows 10, the value of the key will not be required because it's inside the BIOS? Or should I get the value with a tool?

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• Install Windows 7 on a partition that include data and files without data loss

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• Windows 8 How to recover without a recovery USB disk or a disc?

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  Hello

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  Thank you

  Serrano

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