Everyone is well-aware by now that Windows 8 and Windows 8.1 have not seen the impressive adoption rate of their predecessor. Yet the duo had a particularly good run last month, finally passing 15 percent market share together, according to the latest figures from Net Applications. More specifically, Windows 8 gained 0.29 percentage points to 5.88 percent while Windows 8.1 gained 4.25 percentage points to 10.92 percent. Together, they owned 16.80 percent of the market at the end of October, up from 12.26 percent at the end of September.