Castle Windsor is available via NuGet
Use the "Manage NuGet Packages" and search for "castle windsor"
Use Package Manager Console to execute:
Install-Package Castle.Windsor
Now you can use it to handle dependencies in your project.
var container = new WindsorContainer(); // create instance of the container
container.Register(Component.For<IService>().ImplementedBy<Service>()); // register depndency
var service = container.Resolve<IService>(); // resolve with Resolve method
See official documentation for more details.
Castle.Windsor
package depends on Castle.Core
package and it will install it too