I hesitate to mention this even if it is well over 10
years old.
I have a copy of Heath Zenith Windows that I posted on eBay.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2017754574
I have been corresponding with collectors as how to verify this is actually
MS Windows 1.0. There are no version numbers at all on the disks, box, manual
and envelopes.
The Heath Zenith Model Number of the Software package is MS-5063-30. Can
anyone verify what this model number represents?
Zenith changed their software packaging a few times over the years.
This is the same packaging as what I have on OS/2 1.0, and MS-DOS
3.3+.
Consequently, looking back at the calendar, I think that
it's far more likely that this is Windows 2.0 or 2.1.
Sorry...
-dq