ActivateWindows using a product key. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product key > Change product key. To locate your product key, see the product key table in Activation methods Thankyou for your reply. The Dell OS Recovery Tool is asking for a product key to install Windows 8.1 for some reason. I have tried every tool I could locate to try to find the product key and nothing is found in the BIOS. It is possible that something was changed on this system before I got here but doubtful so I don't know what the problem is. Thedefault KMS keys used for volume licensing editions of Windows 8.1 and Windows Server 2012 R2 has been updated. They can be used as product key when installing the OS in Enter the product key to activate windows: And the keys are used by VAMT from the ADK, of course activation will only work if a KMS server is available. Windows10 Pro Serial Key/Windows 10 Professional Product Key Generator. VK7JG-NPHTM-C97JM-9MPGT-3V66T. How to activate windows 10 product key. If your Windows 10 s not activated GenericProduct Keys for Windows 11 and Windows 10. Operating system edition. KMS Client Product Key. Windows 11 Pro Windows 10 Pro. W269N-WFGWX-YVC9B-4J6C9-T83GX. Windows 11 Pro N Windows 10 Pro Formore information about product keys and when they are required, visit the FAQ page. For Enterprise editions please visit the Volume Licensing Service Center. Select an edition. Windows 8.1 editions below are valid for both Windows 8.1 and Windows 8.1 Professional. Select an edition from the drop down menu. downloadwindows 8.1 professional 64 bit I have windows 8.1 professional 64 bit produck key. but their is no link to download that. Windows 8.1 pro and windows 8.1 professional same version or different v. Youcan find the product key to activate Windows 10 Pro through the Windows Registry. What needs to be done is: Press “ Windows + R ” to open “ Run “, you can also do it without using the shortcut key. If “Run” opens, then type “ Regedit ” in the box and then press “ Enter ” to open the Windows Registry. UCQHfBw.