Hi All :
The System Center Configuration Manager Company Portal app allows users of Windows 8 and Windows 8.1 machines to view and install applications made available to the user by their administrators. The machine must be managed by Microsoft System Center 2012 R2 Configuration Manager, or later, with the agent installed. The app communicates directly with the Configuration Manager on-premise server infrastructure. Note that this contrasts with the Windows Intune Company Portal app (available through the Windows Store and the Download Center) which communicates directly with the Windows Intune service.
You can download System Center Configuration Manager Company Portal app from : http://www.microsoft.com/en-us/download/details.aspx?id=40795
The enclosed document will to show how to install Company Portal app and how to deploy applications throw Company Portal.
More information, please refer the TechNet library : http://technet.microsoft.com/en-us/library/jj822984.aspx
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