So we called Microsoft after some viewers commented that the sponsor SCDkeys as well as other third party sellers weren't legit. Well the answer may shock y During setup for Windows 10 Home, you'll be asked to enter a product key. Because you already have a digital license for Windows 10 Home, you can skip this step and continue with the installation. Windows will automatically activate using your digital license when the installation is completed. Well I did a fresh install of windows 8.1 and all the updates, then I did the windows 10 iso, now normally when I do a OS install I shut off the computer and make sure it is set to open on the cd/dvd and boot (click any key) well I decided this time to run it while it was already on and running in windows 8.1 well it did perfect and never even Click on the ACPI Table button at the top. After that click on the MSDM tab. Your BIOS's product key is at the bottom. When the program opens just remember to close the bottom windows first - having two windows open can cause the program to crash. If you’re installing Windows 10 for the first time, you’ll need to enter a valid Windows 10 product key or buy a full version of Windows 10 during setup, for this tool to work. If you’ve previously installed Windows 10 on your device, you should have a digital license and Windows 10 will automatically activate without entering a product key. HeMoY. How Product Keys Are Used . A product key is like a password for a program. This password is given upon buying the software and can only be used with that specific application. Without the product key, the program will most likely not open past the product key page, or it might run but only as a trial of the full version. You can use the following 3 methods to activate Windows 8/8.1 without a product key. Way 1. Use a Batch File. Visit this page and copy the content. Create a text file and paste the content into this file. Click File > Save As and name the file “ cmd ”. Click the Save button to save it. Right-click the cmd file and choose Run as administrator. If you have one copy of Windows and you installed it on more than one PC, activation might not work. The product key has already been used on more PCs than allowed by the Microsoft Software License Terms. To activate new additional PCs, you must buy a new product key or copy of Windows for each one. Once you’ve upgraded to Windows 10 using the free upgrade offer, you will be able to reinstall, including a clean install, on the same device. You won’t need a product key for re-activations on the same hardware. If you make a meaningful change to your hardware, you may need to contact customer support to help with activation. The copy of Windows 10 you download and upgrade from will correspond with the edition of Windows you have installed, if it does not, this is why you might be experiencing problems activating: Windows 7 Starter, Home Basic, Home Premium, Windows 8.0 Core, Windows 8.1 Core will install Windows 10 Home ; Windows 7 Professional, Windows 7 Ultimate

does windows 8 product key work for 10