![]() So really, only the first method should ever be used, there are other programs and tools that will work but there's no reliable methods that doesn't use tools! If there's no Windows OEM key in the BIOS it will be empty and if you've reinstalled using a different key it will give you the wrong key! It is useful as a way to access the key that comes with the hardware on most newer OEM machines but is no substitute for actually checking what license key Windows actually use.Īnd the third method usually? sometimes? returns a "digital key" that's only valid for the specific install - there's no real use for this since it can't be used even on the same hardware after a reinstall! This process took so much work before.Īlso, I never saw an error screen, it just worked.The OA3xOriginalProductKey method returns the Windows OEM license key stored in the BIOS for pre-installed machines where they used that method to store it - most OEMs do this because this is the only way where they DON'T need to physically affix a sticker with the key on the machine which saves them time. Your method instantly adds the new computer to my dashboard. I built an Azure active directory and use intune to keep all the computers organized. We have pro keys but honestly it was more work entering them than your quick trick. I am so grateful!!! I am going to be using this trick for years to come. Your trick really saved me a ton of time. I had to install a bunch of software first too. I have had to go through the steps of creating either a MS account user or local user in setup and then do the migration to Pro inside of windows. I buy computers mostly from Costco on sale and so they always have Windows Home. Well, not super small anymore, we have 80 employees now. I don't have enough points to comment on amazing answer by Baa. For many, they will have to press shift+f10 and maybe shift+fn+f10 to get the CMD to pop up. I wanted to add a note to the above answer. However, I then ran slui.exe /upk to uninstall the Product Key, and then tried changepk.exe again, after rebooting the OOBE was now for Windows 11 Pro and I could create a local user and domain join. I ran slui.exe 0x2a 0xC004F069 and it said This errored with 0xC004F069 and said to run SLUI to get full details. I also tried slmgr.vbs /ipk VK7JG-NPHTM-C97JM-9MPGT-3V66T. Running changepk.exe /ProductKey VK7JG-NPHTM-C97JM-9MPGT-3V66T (Key for Windows 11 Pro) brought up the "Preparing for Upgrade" dialogue but then failed with Error Code 0x80070490. ![]() ![]() I installed Windows 11 Home into a Virtual Machine and tested this using the Generic Keys from this website, this is what I found to get to the steps above: This is not always necessary but I suspect sometimes the Home license will be installed and needs to be removed first. Technically you can open CMD while it's installing Updates but I don't recommend this because it will restart without warning and might interrupt the following process. Once you hit the login screen, press F10 to open CMD. ![]() Choose language, keyboard layout, device name etc.
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