This is fresh from the Microsoft Volume Licence Service Centre, or VLSC for those in the know and likely supporting several habits now:

Clear icon from the Tango Desktop Project

Special Instructions
Both Windows 10 Professional and Windows 10 Pro for Workstations product keys will activate Windows 10 Professional media, although only versions 1709 and newer can be used to activate Windows 10 Pro for Workstations edition.

I forget how good we have it on FreeBSD and macOS.

Update

Like an unappetising bowl of congealed soup, the plot thickens. I saw this banner in an email, and it wasn’t even Retina:

Banner ad showing Windows 10 Pro

So wait, is it Windows 10 Professional, or Windows 10 Pro for Workstations, or Windows 10 Pro now? Or for completeness, what about Windows 10 Professional for Workstations?

I wish they’d call it Windows 10 Workstation and leave it at that; it has a far nicer ring to it. Which would be useful for all the phoning home it does. It’s also delightfully nostalgic.