MS-DOS 3.20
MS-DOS 3.20
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WinWorld is an online museum dedicated to providing free and open access to one of the largest archives of abandonware software and information on the web.
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OEMs here, nothing else.
That's because there wasn't a retail MS-DOS until version 5. There were Microsoft boxed versions of 3.3 and 4.0, but even those says that it's for distribution with a new PC.
While it was for OEMs, the MS duplicated sets were easy to get. That was about the only way to acquire an upgrade. Fortunately, grey market OEM surplus boxes were quite cheap. Wound up having to pick up DOS 4.01 that way because my sales rep wasn't responsive.
Microsoft began to distribute MS-DOS with MS Genuine from version 3.20.
Yes but they didn't be released as Retail package before version 5.0 upgrate released.
I recently picked up a copy of 4.01C new in the box, but of course I had to open it and image the disks and start scanning the manual.
https://www.ebay.com/itm/Microsoft-MS-DOS-Operating-System-on-5-25-disks/254551507529?nordt=true
https://vetusware.com/download/Compaq DOS 3.20/?id=14825
Of course, this problem was fixed on 3.21.
Yes, that's right.
A la carte retail packages started at 5.00.
Prior to that, Microsoft did not allow selling as a retail unit package, and was necessarily sold with a new PC.
That was the licensing policy and would have been prosecuted if sold separately.
There are 2 MS-DOS diskettes sold on eBay that are at least version 3.21, not 3.20.
https://www.ebay.com/itm/166124799143