Windows 8's growth is underwhelming, except among gamers.
From ArsTechnica:
Internet Explorer still growing as Windows 7 starts its decline
In the first month of 2013, Internet Explorer's desktop market share is continuing to slowly climb upwards, with Firefox consolidating its number two spot. There are signs that Windows 7 may have peaked as Windows 8 is slowly picking up users.
Internet Explorer still growing as Windows 7 starts its decline