There are a lot of practical reasons to set up an OS like Windows 10 in a VM rather than using it as a native installation. If you have to deal with files you can't trust, need to test multiple OS ...

With Disk2Vhd, you can convert Windows 10 into a virtual system without much prior knowledge. The advantage of the freeware is that it’s started directly in the Windows installation to be virtualized.

A virtual machine (VM) is an operating system that’s emulated within another operating system. You could run Windows within a MacBook as a virtual machine, or even Windows within Windows. Because of ...