The product key usually has 25 characters in them, and it comes with the installation CD that you have brought from the authorized dealer of Windows software.īut to buy an original Windows 8.1 may cost you a lot. The product key of Windows 8.1 is a vital thing as it ensures that the product is genuine. With so many things in offering from Windows 8.1, it shows how good it must be for your system. In this new update, you can fix all error, bugs, and other issues that are present in the previous versions. When you look at the new version of Windows 7 and 8, then it is Windows 8.1.

In this article, you will know how to activate Windows 8.1 in two ways for free. If you want to upgrade your computer operating system to 8.1, then you usually need a product key for that. When it is necessary to upgrade to a new OS, many users will choose Windows 8.1. Windows 10 has been released since years ago, but still a lot of people disable Windows 10 automatic update and just want to stick with Windows 7 or 8. How to Activate Windows 8.1 by Phone or with Free Product Keys 2019

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