You can also download a free ebook by Kraig Brockschmidt for web developers creating Windows Store applications.
The links below will provide you with additional help in getting started
Getting started as a developer - dev.windows.com
- Install Windows 8 from MSDN or Evaluation
- Install Visual Studio 2012 paid or Express
- Windows 8 app samples
- Support forums for when things go wrong
- Explore end-to-end apps
- Watch videos from the 2011 and 2012 Build confrerences
- Explore white papers for Windows Store apps
Getting started as a designer - design.windows.com
There's a new set of resources that have been produced with designers and User Experience professionals in mind. Again, keep checking back to the main design portal at design.windows.com for the most up to date information.
- Download design assets for Windows Store apps
- Design case study: Website to Windows Store app
- Design case study: iPad to Windows Store app
- Watch UX Workshop content online
- Animations design (Windows Store apps)
- Introduction to the Windows 8 dev centre
- Windows Store Developer Blog
- The Windows 8 Dev Center: Everything you need to design, build, and sell a Metro style app
- Selling Apps in the Store
- Windows 8 developer support forums.