In the prompt window, run the following command: get-ciminstance win32_bios Log on to Windows Server 2012 R2, click the PowerShell icon on the desktop taskbar. To retrieve the BIOS serial number of the local computer, we need to access the Win32_BIOS WMI class. It allows administrators to run WMI queries on local or remote computers. The get-ciminstance PowerShell command was introduced in PowerShell 3.0. Retrieving the Serial Number from a Local Computer Retrieving the Serial Number from a Remote Computer.Retrieving the Serial Number from a Local Computer.I think it will be much easier for you to reinstall W10 using the guidance I posted yesterday. Once again.you need to install the version of Windows 8.1 the key is good for. I have zipped up and attached below, a free utility that will show you the version of W8.1 you have as well as the product key. OK, if you have the regular (not Pro, not Single Language) version of W8.1 use this generic key.Īfter you install W8.1 change the generic key for the one in your PC's BIOS in the PC Settings menu. I just installed W8.1 Pro on a Dell desktop the other day with a W8.1 Pro product key in the BIOS, and it did not ask for a product key, and the installation went just fine and activated. What I'm saying is if you are installing the right version of W8.1 that matches the product key in your PC's BIOS, it shouldn't ask for a key, so something is not right. I can only offer advice based on what I read.you mention on one hand W10, you mention on the other hand W8.1.

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