Supplied by Microsoft primarily for developers, the company has now made available downloadable virtual machines (VMs) that can be used by anyone wanting to test various scenarios for Windows 10 and Microsoft Edge.
The VMs are available for Hyper-V 2012, VirtualBox, and VMware, which is a great start, but Microsoft has promised new formats are coming. The VMs expire after 90 days, but should give you enough time to test the new OS with Microsoft's latest Internet browser.
For companies still on the fence about deploying Windows 10, and determining if Microsoft Edge will work in the majority of web compatibility scenarios, the VMs should supply an adequate testing ground.
Go here to get it: http://dev.modern.ie/tools/vms/windows/
Incidentally, you should know that a bug exists in the Windows 10 VM where a message displays suggesting that you need to "Connect to the Internet to Activate" the OS. Microsoft assures that this is just a bug that you can ignore. The VM will still work and the activation state of the OS doesn't hamper any functionality.