My dad has a PC which was running Windows 7 Home Premium 64 Bits before he accidently upgraded it to Windows 10 (due to these pesky Upgrade-Me notifications).

So I planned to revert it back to Windows 7, but using the Ultimate Edition (I bought a licence for this purpose) instead of the Home Edition. I didn't manage to install Windows 7 on that pc, as it keeps hanging on the "Windows is copying files" part (I tried different DVDs and pendrive installers).

I then decided to install Debian Jessie 64 bits, as long as you use the text based installer it works. After Debian was up and running I installed Virtualbox from Oracle and created a virtual machine. There I installed Windows 7 Ultimate and tried to activate it with the licence key I bought.

The Problem is that Windows pretends that the key is invalid.

  • Is this related to the fact that Windows is running in a VM on a Linux host?
  • Is there a way to get around?

I think that the key is valid, I already bought several other Windows keys from the same reseller and they all got accepted by Microsoft during activation.

  • I would call Microsoft and have them sort it out. – whs Dec 27 '15 at 19:29
  • 1
    Although the license agreements are sometimes limited for VMs, you should be fine here. And activating a VM does not work any different than a real machine; I have done that multiple times. The activation actually does not know that it is running inside a VM. – Aganju Dec 27 '15 at 19:35

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