Windows XP sees big drop in OS market share in May June 1, 2012 by admin Tweet According to new stats from Net Applications, Windows XP took a big dip in the market share for PC operating systems in May, while Windows 7 took a similar jump upward. Read more… Neowin Related Posts:Statcounter: Windows 11 market share jumps to 27.83%Windows 11's market share on Steam is down to 37%Statcounter: Windows 11 market share falls to 26.72%Windows 11 reaches almost 24% market share on SteamValve: Windows 11 market share on Steam drops to 41.61%