Windows 7 52.71% Windows XP 23.87% Windows 8.1 6.67% Windows 8 5.59% Mac OS X 10.9 4.05% Windows Vista 3.07% Linux 1.64% Mac OS X 10.6 0.74% Mac OS X 10.8 0.60% Mac OS X 10.7 0.57% Mac OS X 10.1 0.25% Mac OS X 10.5 0.14%
http://www.netmarketshare.com/operating-system-market-share.aspx?qprid=10&qpcustomd=0 Desktop Operating System Market Share December, 2014 Operating System Total Market Share Windows 7 56.26% Windows XP 18.26% Windows 8.1 9.49% Windows 8 4.03% Mac OS X 10.10 3.21% Windows Vista 2.90% Mac OS X 10.9 2.05% Linux 1.34% Mac OS X 10.6 0.69% Mac OS X 10.7 0.55% Mac OS X 10.8 0.53% Windows NT 0.19% Mac OS X 10.5 0.13% Windows 2000 0.12% Windows 10 0.06% Win64 0.06% Windows 98 0.04% Windows 3.1 0.04% Mac OS X 10.4 0.04% Mac OS X (no version reported) 0.01% Windows ME 0.00% FreeBSD 0.00%
Operating System Total Market Share Windows 7 58.39% Windows XP 15.93% Windows 8.1 11.16% Mac OS X 10.10 4.23% Windows 8 3.50% Windows Vista 1.95% Mac OS X 10.9 1.53% Linux 1.52% Mac OS X 10.6 0.57% Mac OS X 10.7 0.46% Mac OS X 10.8 0.43% Mac OS X 10.5 0.11% Windows 10 0.09% Windows NT 0.08% Mac OS X 10.4 0.03% Windows 2000 0.02% Mac OS X (no version reported) 0.01% Win64 0.00%
Desktop Operating System Market Share November, 2015
Operating System Total Market Share Windows 7 56.11% Windows 8.1 11.15% Windows XP 10.59% Windows 10 9.00% Windows 8 2.88% Mac OS X 10.11 2.66% Mac OS X 10.10 2.45% Linux 1.62% Windows Vista 1.61% Mac OS X 10.9 0.86% Mac OS X 10.6 0.35% Mac OS X 10.8 0.29% Mac OS X 10.7 0.29% Mac OS X 10.5 0.06% Windows NT 0.04% Mac OS X 10.4 0.02% Windows 2000 0.01% Mac OS X (no version reported) 0.00%