Do you want to test the upcoming features of Windows 10 without upgrading your PC? Use this guide to setup a dual-boot system with the latest Insider Preview build.
The advantages with a dual-boot setup on your computer is that enables you to run two different operating systems without affecting each installation configurations, you can run programs that may not be compatible with other versions, and you don't have hardware restrictions as you would using a virtualization solution.
Full story from the WindowsCentral blog...