Source : AkihabaranewsAkihabaranews published results from a survey conducted in Japan and related to operating system sales.
As illustrated by the graph, Apple market shares literally exploded from September, while Microsoft significantly dropped over the last 2 months. However, one should not forget that the vertical unit is "Percentage of market share for OS sales" only, and it does not included OEM sales.
[translation by Linathael]