Microsoft has released for download, Windows 10 Virtual Machines which are set up to immediately start developing Universal Windows Platform apps. There is a short term trial version that expires as well as a version to which you add a valid license which doesn’t expire. These VMs are also available on Azure.
You get a ready to run Windows 10 Anniversary Edition VM with the tools required for UWP app development preinstalled. The trial version will expire whereas you supply a valid Windows 10 Pro license key for the licensed version. VM images for a variety of hypervisors are available
Only the Community Edition of Visual Studio.
Next: Getting Started
Part 3: Apps