PC Gamers are upgrading to Windows 8 finally from Windows 7 and XP according to Steam's Hardware & Software Survey.
Steam data shows that Windows 7 64-bit is currently at number one with 56.35 percent but got a 2.23 percent decline in December 2012.
Windows 8 64-bit at the other hand has posted an increase of 2.08 percent and is now running on 6.33 percent of the computers connected to Steam.