What’s New with TypeScript:
Installation and Use:
It is open source and its code source is licensed under Apache 2.0, which can be found on http://typescript.codeplex.com/.One can install TypeScript via an npm package for node.js or as an MSI that integrates with Visual Studio 2012. Microsoft has released a Plugin for Visual Studio 2012, thus giving a IDE support to users. Download plugin.
Why Develop a new language:
How to Learn TypeScript
Microsoft provides good tutorials and an active forum for TypeScript developers.