Detailed explanation of Win8 acquisition authorization and downgrade strategy

Windows8 version of the acquisition channel:

OEM is computer manufacturers pre-installed in the computer, can only be obtained by purchasing hardware products, can not be purchased separately.

Volume Licensing (VL) is suitable for users who purchase a large number of Microsoft products, especially enterprise users. Volume licensing is easy to manage. Customers who purchase software products in volume licensing can log in to the Microsoft Volume Licensing Service Center to manage all software purchased by the enterprise, including viewing authorization information, image downloads, and key management.

Windows 8 made some changes in the acquisition method mainly because of the following:

1. In mainland China, Windows 8 full range of products no longer provide retail color Box (FPP) and COEM (random version) license.

2. In mainland China, the Windows product line has stopped selling physical installation media (ie installation CDs), including customers who purchase volume licenses.

3. After canceling the FPP and COEM products, how can customers get Windows 8 products? This is also the third change: customers in mainland China can obtain Windows in the following three ways

(1) OEM new machine pre-installed

(2) Microsoft official website online download platform to obtain Windows 8 Product (ESD)

(3.) Microsoft Volume Licensing License (After the OEM PC purchase, the network or phone can be activated, VL and ESD can be networked or activated by the purchased key).

Windows 8 product correct authorization principle:

1. Win8 product license authorization can be divided into two categories, the full version and the upgrade version.

2. In mainland China, users have two ways to obtain a full version of the Windows 8 product license: pre-installed with a branded computer manufacturer (OEM) to obtain a full version of the Windows 8 product license, or through the purchase of bulk genuine The product GGS (GetGenuine Solution) is licensed for the full version of the Windows 8 product for purchased computers (including bare metal, unauthorized pirated operating systems, non-Microsoft operating systems such as Linux, and MS-DOS).

3. Windows 8 Volume Licensing products also include upgraded licenses, Open Upgrade, Select Plus, EA.

4. To use the Windows 8 Upgrade license, users must first have a full Windows license to use.

Windows 8 Purchase Scenario:

For the different needs, the most suitable procurement is as follows:

· Planning to purchase new computers:

If You plan to purchase a new computer, and it is highly recommended that you obtain a license for Windows 8 Professional through a pre-installed branded computer (OEM). Buying Windows 8 products with branded computer pre-installation is the most convenient and convenient way to get the full version of Windows 8 products.

· The plan is to have a computerized version of the computer:

If you plan to legalize a computer that has not been licensed or misauthorized, you should purchase the Microsoft Genuine Product Program GGS. (GetGenuine Solution) Get the full version of the Windows 8 product license.

· If you plan to upgrade your existing computer:

If your computer already has a previous version of Windows Full License (ie Win7 Professional, Windows Vista Business and Windows) XP Professional, etc.), you can upgrade your system to the latest Windows version by purchasing Windows Volume Licensing (Open, Select Plus, EA).

About the Upgrade License Microsoft has the following policies:

· Volume License Upgrades cannot be used for the genuineization of computers that are not properly licensed or misauthorized.

· In addition to educational users, businesses and ** users cannot base on Windows 8, Windows 7 Home Basic /Home Premium, Windows Vista Home Basic /Home Premium, Windows XP Home Edition Use an upgraded license on .

· Microsoft allows educational users to upgrade to a professional or enterprise version with a volume-licensed product after purchasing a computer with Windows 8 pre-installed.

Windows 8 downgrade usage rights

Windows 8 has the following rules for downgrading: Windows 8 pre-installed by brand computer (OEM) does not have downgrade rights, Windows obtained through online download (ESD) 8 also does not use downgrade permissions, Windows 8 Professional's downgrade permissions follow the N-2 principle, which can be downgraded to Windows 7 Professional and Windows Vista Business.

Windows 8 Professional and Enterprise Editions that are licensed through Volume Licensing can be downgraded. The Microsoft Volume Licensing program allows Windows 8 Professional or Enterprise users to flexibly downgrade to the appropriate previous version.

Operating system transfer permissions:

Windows 8 is purchased in different ways. It is also possible to change the device installation. OEM pre-installed, COEM.

Volume Licensing, the SA authority can be transferred only during the period of Software Assurance (SA), provided that the replacement computer has been run with the latest version of the operating system and has been completely removed from the original computer. Remove the upgraded desktop operating system.

FPP and ESD can be transferred.

Main vocabulary:

VL : Volume Licensing

FPP: Retail Color Box

COEM: Compatible Machine Pre-installed Products

OEM: PC brand pre-installed

SA : Software Assurance

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