Guide to Install macOS Catalina on VirtualBox (macOS 10.15).Guide to Install macOS Catalina on VMware (macOS 10.15).Guide to Install macOS Big Sur on VirtualBox (macOS 11).Guide to Install macOS Big Sur on VMware (macOS 11).So if you want to install the newer versions of macOS then please check out the links below: Update: Before we get started, let me mention that several versions of macOS have come out since macOS Sierra and we have already created a step by step guides to install them on VMware or VirtualBox. All things old are new again, and the new operating system will only call “macOS.” So, I’m not going to discuss anymore regarding Apple’s new release “ macOS Sierra” instead I’m going to walk you through installing macOS Sierra on VirtualBox on Windows operating system. Of course, the real change is that, after fifteen years, Apple has finally ditched the “OS X” moniker. Apple has announced the next version of its Mac operating system “macOS Sierra”. In our previous post, we have shown you how to install macOS Sierra 10.12 on VMware, and now in this article, I’m going to show you how to install macOS Sierra 10.12 on VirtualBox on Windows 10.