Download free virtual machines to test Microsoft Edge and IE8 to IE11:
Source: Free Virtual Machines from IE8 to MS Edge – Microsoft Edge Development
Get a Windows 10 development environment:
Start building Universal Windows Platform apps quickly using a virtual machine.
Start coding sooner with a virtual machine prepped for Windows 10 development. It has the latest versions of Windows, the developer tools, SDKs, and samples ready to go:
https://developer.microsoft.com/en-us/windows/downloads/virtual-machines