Hyper-V Manager is available by default in Windows 8.VMware is a free program you can install on Windows 7 or below.If you’re not ready to take the plunge and update your PC yet, here are general instructions on how to configure a virtual machine, two different ways. The “multiple editions” option (4 GB download) worked for me (currently named “en_windows_10_multiple_editions_圆4_dvd_6846432.iso”). Or you can download it from your MSDN account if you have one.
There’s been some confusion about what Microsoft meant by “free upgrade”. You can download Windows 10 from Microsoft, but note that you will need a valid key to install it. Windows 10 was officially released on July 30.