Windows 7 software requires an activation key to confirm that the Windows software that is being used is authentic and has not been used on other systems. Microsoft safeguards its product to avoid the risk of counterfeit... More »

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The Windows 7 Ultimate product key is located on a card inside the box that the installation disk came in, as of 2015. Computers with Windows preinstalled should have a product key sticker on the underside of the compute... More »

www.reference.com Technology Software

Individually sold copies of Windows contain the activation key in the packaging. Computers preloaded with Windows 7 or an earlier version have the number printed somewhere on the device. If the key can't be found, softwa... More »

www.reference.com Technology Software

The Windows 8 activation key, also known as the product key, is inserted into the Windows 8 Setup software after successful download of the software. This key provides the necessary verification that Windows 8 has been l... More »

www.reference.com Technology Software

The Windows 7 Ultimate product key is located on a card inside the box that the installation disk came in, as of 2015. Computers with Windows preinstalled should have a product key sticker on the underside of the compute... More »

www.reference.com Technology Software

As of 2015, a user can install Windows without the activation key but has a period of 30 days to activate it. If Windows is not activated during the 30-day period, the program stops working until the user activates it. More »

www.reference.com Technology Software

Individually sold copies of Windows contain the activation key in the packaging. Computers preloaded with Windows 7 or an earlier version have the number printed somewhere on the device. If the key can't be found, softwa... More »

www.reference.com Technology Software