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1. #Where to find my windows 8 serial number proof of purchase license#
2. #Where to find my windows 8 serial number proof of purchase free#

Option One: Find Windows 8 and 8.1 Product Key from Online Purchase Confirmation Email.

#Where to find my windows 8 serial number proof of purchase license#

The 25 character Product Key is used to "prove" ownership of a legitimate license and is required to perform the installation to activate Windows with.

It is used to obtain/qualify for technical support from Microsoft it is of no use during the installation process. The 25 character Product ID is created during the installation process and is prominently displayed under the Windows activation section at the bottom of the Control Panel (icons view) -> System window.

#Where to find my windows 8 serial number proof of purchase free#

You will have a free 90-day evaluation period before you must change the product key to be able to enter your volume license product key and activate Windows 8 Enterprise.Ī Product Key and Product ID are two completely different things, despite the similarity of the terms. Windows 8 Enterprise does not require you to enter a product key during installation. When installing a retail (upgrade) or system builder copy of Windows 8 on a PC, you must enter your product key to continue the installation and automatically activate. Whenever you need to reset or reinstall the same Windows 8 on your OEM PC, the product key will automatically be applied and activated. The product key is no longer on the COA sticker to help prevent theft. OEM PCs that come with Windows 8 or Windows RT preinstalled stores and encrypts the product key in the uEFI or BIOS firmware chip now. The Windows 8 product key is a sequence of 25 letters and numbers divided into 5 groups of 5 characters each (ex: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX) that is used to activate either the 32-bit or 64-bit Windows 8 edition that you purchased and installing.