The most popular free Windows software for virtual machines is VMware Player and VirtualBox. You can easily and quickly install and use the latest version of macOS, codenamed Sierra.
Whatever the reason may be, a Mac OS X VM can solve your hands. On the other hand, you might own a program which can only be run under Mac, or perhaps you just want to try and see how Apple's operating system works. iOS or MacOS developers may need to use XCode for their applications. There are many reasons why one may want to install a Mac OS X virtual machine. You can click on the links below to navigate within this article easier.
If you wish to run different versions of Windows in Virtual Machines, then the following D3K articles are worth taking a look at: But if you just want to try the Sierra MacOS, then the ideal solution is to use a Mac OS X virtual machine. In order to use it, you either need to buy a Mac or build a hackintosh. MacOS Sierra is the latest version of Apple's operating system, which of course cannot be installed on just any computer.