WIN8.1/8skyrocket,surpass WINXP which plummet and outpace in growth rate win7 for first time,WIN7 reached 56.41%!WIN10 might be free for WIN8/8.1users,is this helped or XP users finally just switched?

[Leadified]

Huh, it's a bit odd that vanilla Windows 8 has that much marketshare when 8.1 is a free update and I think quite an improvement.