If you trying to install "SkypeOnlinePowerShell.Exe", following guide on Microsoft site: https://docs.microsoft.com/en-us/skypeforbusiness/set-up-your-computer-for-windows-powershell/download-and-install-the-skype-for-business-online-connecto r, and you are getting error about VC ++ minimum version 11.0.5727, you need to install EXACTLY this version, apart from your versions already installed on your system. So, go to the below link and install it first: http://download.microsoft.com/download/1/6/B/16B06F60-3B20-4FF2-B699-5E9B7962F9AE/vcredist_x64.exe Then you should be able to install SkypeOnlinePowershell
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