Microsoft provides verified ISO files for Visual Studio 2015, which include the ability to install Xamarin.
Your Xamarin.Forms or Xamarin native project will need NuGet packages (e.g., Xamarin.Forms , Xamarin.Android.Support ). On an offline machine: xamarin for visual studio 2015 offline installer
: After offline installation, you may still need to manually update the Android SDK by launching the Android SDK Manager from within Visual Studio ( Tools > Android > Android SDK Manager ) . Microsoft provides verified ISO files for Visual Studio
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: The installer will download all packages. Depending on your internet speed, this can take several hours . Installing Xamarin Offline xamarin for visual studio 2015 offline installer