For Microsoft Office, the product key should be a sticker on the installation CD. If you purchased a PC with Windows already installed, then look for a multicolored sticker on your PC.

Product keys are usually on a sticker and consist of 25 characters. If you bought a copy of Microsoft Windows or Office, the first place to look is on the CD or DVD case. Try to remember how you purchased your Windows operating system. If, however, you are planning to reinstall Windows, you will need to find your product key. You are not required to enter a product key, as you are entitled to Windows 10 by having genuine consumer copies of previous Windows versions (7 or 8). If you upgrade from Windows 7 or 8, Windows 10 is activated automatically online. If you need to find your product key Windows or Office, this article will explain how to find them on your computer. Microsoft Windows and office products require a product key to active them. Most commercial software comes with some form of protection to avoid unauthorized copying and installation. How to Find Your Microsoft Windows and Office Keys

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