Windows 8

To help prsự kiện software piracy, Microsoft requires that Windows 8 is activated before it can be used. All và Compaq computers và tablets that come with Windows 8 installed activates automatically once connected to the Internet, lớn make it easier for you khổng lồ phối up your computer. However, if you decide lớn install a different version of Windows 8 (such as an tăng cấp khổng lồ the Enterprise version) or a store-bought copy of Windows 8, you need khổng lồ activate Windows as part of the installation process. There also might be situations when Windows prompts you to activate the sản phẩm, even though the product has already been activated.

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If you are not using the lathử nghiệm version of Windows 8, some graphics and information in this document may vary. You can get the lachạy thử version from the Microsoft Store.
Windows Product Activation (WPA) sends an installation ID number khổng lồ Microsoft before Windows is verified, and then activated. WPA involves two numbers. One is an installation ID (generated by entering a Windows 8 product key) that the computer owner submits to Microsoft, either over the Internet or by phone. The second is a confirmation ID, assigned by Microsoft, which is used lớn activate the operating system’s software. This method is used when upgrading or installing Windows 8 from disc (not System Recovery).
OEM Activation 3.0 (OA3) takes place at the factory. A digital hàng hóa key (DPK) is installed on the motherboard BIOS during the manufacturing process. Windows 8 will activate automatically the first time the computer is connected lớn the Internet. With OA3-activated systems, most of the computer"s hardware can be replaced without the need to reactivate the software through Microsoft.
If your computer came with Windows 8 pre-installed, Windows might require activation through Microsoft due to:
Replacement of the motherboard with one that does not contain the original equipment manufacturer (OEM) version of the BIOS.
Windows Product Activation (WPA): Requires a person to unloông xã the computer before Windows can be used.
OEM Activation 3.0 (OA3): No personal intervention is required normally khổng lồ activate Windows, but the computer must be connected to the Internet for Windows khổng lồ activate automatically.
End-User License Agreement (EULA): The agreement that the Windows user must accept lớn use the Windows sản phẩm.
Certificate of Authentiđô thị (COA): A proof of ownership identification method lớn help prove that a Windows hàng hóa is not counterfeit or copied. The COA might be in the form of a label that contains a bar code & sản phẩm key.

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Genuine Microsoft Label (GML): A label included on computers that came with Windows 8 pre-installed. The GML indicates which version of Windows 8 was installed originally on the computer.
Installation Identification Number: A number generated based on the sản phẩm key entered during Windows cài đặt.
The quickest and easiest way to activate your copy of Windows 8 is lớn activate it over the Internet. If you vì not have an Internet connection, or if it is inconvenient khổng lồ make a network connection, see the Other ways lớn activate Windows 8 section of this document.
Press the Windows
+ I keys khổng lồ open the Settings charm.



If you used discs lớn install Windows 8, you might find the sản phẩm key on the disc packaging. If you bought Windows 8 over the Internet, the product number might be included in an tin nhắn you received after the purchase & download of Windows 8.
If you have the Windows8 disc packaging, apply the Windows 8 Certificate of Authentiđô thị label khổng lồ your computer for easy reference in the future.

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You can add features lớn Windows 8, or get a different version of Windows 8. From the Start screen, type add features lớn open the Search charm, & then select Add features to Windows 8.1 from the tìm kiếm results. When the Add features to lớn Windows 8.1 screen opens, follow the onscreen instructions.

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