两天前我在 Visual Studio 2015 中安装了 Xamarin，它在 工具 下显示 Xamarin.下面我描述了我在 Visual Studio 2015 中安装 Xamarin 所遵循的方法.

I have installed Xamarin in my Visual Studio 2015 two days ago and it showing Xamarin under Tools. Below I have described the approach which I have followed to install Xamarin in Visual Studio 2015.

转到控制面板 >>程序功能 >>Visual Studio2015 >>改变>>修改

1.在Cross Platform Mobile Development下选择C#/.Net(Xamarin)

1. Select C#/.Net(Xamarin) under Cross Platform Mobile Development

2.检查这三个红色标记的项目是否被选中.

2. Check if these three red marked items are checked or not.

3. 然后按更新.它将下载在 VS 2015 上运行 Xamarin 所需的所有软件包.希望对您有所帮助！！

3. And then press update.It will download all the required packages to run Xamarin on VS 2015.Hope it helps you!!