Comment by toast0

The problem is Word 2.0 for Dos was released in 1985, and Word for Windows 2.0 was released in 1991. Calling it Word 2.0 for Windows wouldn't make sense, because it wasn't the 1985 release with a new coat of paint, Word for Windows was its own thing, and this was the second version. Word for Mac was also separate, but eventually Word 6 was a common code base and it made sense to have Word 6.0 for [whatever]