Windows 8

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

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If you are not using the lademo version of Windows 8, some graphics và information in this document may vary. You can get the lademo 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 sản phẩm 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 product 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 lớn 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 lớn unlock the computer before Windows can be used.
OEM Activation 3.0 (OA3): No personal intervention is required normally lớn activate Windows, but the computer must be connected khổng lồ the Internet for Windows to activate automatically.
End-User License Agreement (EULA): The agreement that the Windows user must accept to lớn use the Windows sản phẩm.
Certificate of Authentiđô thị (COA): A proof of ownership identification method lớn help prove sầu 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 và 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 product key entered during Windows setup.
The quickest và easiest way lớn activate your copy of Windows 8 is lớn activate it over the Internet. If you vị not have an Internet connection, or if it is inconvenient to lớn make a network connection, see the Other ways lớn activate Windows 8 section of this document.
Press the Windows
+ I keys to open the Settings charm.



If you used discs to install Windows 8, you might find the sản phẩm key on the disc packaging. If you bought Windows 8 over the Internet, the hàng hóa number might be included in an gmail you received after the purchase & download of Windows 8.
If you have the Windows8 disc packaging, apply the Windows 8 Certificate of Authentithành phố label lớn your computer for easy reference in the future.

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