FYI -- Parallels 16 now supports BigSur as a VM on older systems

Christopher Nielsen mascguy at
Sun Dec 6 22:13:09 UTC 2020

> On 2020-12-06-S, at 16:54, Mojca Miklavec <mojca at> wrote:
> […]
> I tried to install a new VM with Big Sur, but:
> - the VM version I have on my box doesn't let me select any newer macOS version than what I have installed (to some extent this is understandable: they couldn't have known all the caveats of Big Sur years back)
> - the latest VMware Fusion 12 is no longer compatible with my OS (ok, I would somehow accept that, at some point I do need to upgrade) - but even if I upgrade to, say, 10.15 or 11 now, VMware Fusion 12 no longer supports 10.6, for example, which is the single one that I would *really* like to keep
> I know that several developers here have the full collection of VMs dating back to 10.5 or so. Even after solving the problem of finding a suitable image (which Apple doesn't really make easy even if you just want to revert to something that you already had on that same machine)... what's the best way to keep a variety of VMs working?
> Does anyone have a matrix of what VMWare/Parallels versions support which macOS version as host / guest?

I’m not knocking VMware Fusion — it seems like a good product — but it doesn’t support older Macs like Parallels does. For example, Fusion won’t install (or run) on my 2008 MacPro, as it requires newer CPUs. Whereas Parallels 16 runs beautifully, without any hacks or workarounds. Also, Parallels 16 still runs on MacOS 10.13, which is presently a requirement for me.

As for a support matrix, the vendors’ respective knowledge bases (and/or Google) are your best resource. But here’s an updated Parallels KB article, providing host/guest info: <>

Does anyone else have any thoughts/comments?
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