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 ...
VMware Workstation Pro, which used to cost around $250, is now available free of charge. The program outperforms Virtualbox in terms of features, setting options, hardware support, saving and managing ...
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.