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 »

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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 »

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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 »

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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 »

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If you have lost your Windows 8.1 product key, begin by looking on the DVD packaging, the product order or the confirmation email. If you are still unable to locate the product key, and the computer is currently running ... More »

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To find a working product activation key for Microsoft Office 2003, users should search their purchased software's original packaging. Users who have lost their original product activation keys can either download a prog... More »

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Windows 7 product keys are found on a sticker on the computer case, in the product packaging or in the Windows registry. The product key in the registry is encrypted, but free key locator programs can find and decrypt th... More »

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