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To examine the anti-piracy features of your Microsoft products, locate the product and select the method by which you acquired it (retail, with computer, digital download, or Volume License Upgrade).

Read more information about the purchase methods.

Windows 7 Professional Windows 7 Professional includes all the Home Premium features you love and the business features your work demands. Connect to company networks easily and more securely and share files across the various PCs in your home. In addition, you can run many Windows XP productivity programs in Windows XP Mode and recover your data easily with automatic back-ups to your home or business network.
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Purchased pre-installed on or with computer
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Purchased a digital download online
Volume License Upgrade
Purchased with computer
Purchased retail
Digital download
Volume License Upgrade
 
Windows Vista Business Windows Vista Business is the first Windows operating system designed specifically to meet the needs of small businesses. It helps your entire business work more effectively, stay connected (both in and out of the office), and better protect key information.
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Purchased pre-installed on or with computer
Purchased retail as an individually boxed product
Purchased a digital download online
Volume License Upgrade
Purchased with computer
Purchased retail
Digital download
Volume License Upgrade
 
Office Small Business 2007 Microsoft Office Small Business 2007 is a powerful and easy-to-use suite of productivity and contact management software with new tools to help you save time, stay organized, and deliver better customer service. Easily manage your prospect and customer information in one place.
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Purchased pre-installed on or with computer
Purchased retail as an individually boxed product
Volume License Upgrade
Purchased with computer
Purchased retail
Digital download
Volume License Upgrade
 
Windows Small Business Server 2003 Standard Edition Windows Small Business Server 2003 Standard Edition includes Windows Server 2003 and Exchange Server 2003 technology. You get the capabilities of a security-enhanced small-business network with storage, printing, collaboration, e-mail, Internet connectivity, support for mobile workers, and faxing.
Select your purchase method to view features:
Purchased pre-installed on or with computer
Purchased retail as an individually boxed product
Volume License Upgrade
Purchased with computer
Purchased retail
Digital download
Volume License Upgrade
 
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Genuine Microsoft Software
Genuine Microsoft Software

Genuine Microsoft products contain piracy prevention features that can be checked with the help of the Windows Comparison Guide, the Office Comparison Guide and the Installed Microsoft Software tool.


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