As of June 17, Windows 10's global market share has fallen below 50% for the first time, now at 48.9%, while Windows 11 is at 47.7%. This suggests that nearly 60 million users have switched from Windows 10 to Windows 11. In the United States, Windows 11 holds 55.2% of the market compared to Windows 10's 42.0%. In Asia, Windows 10's share has decreased from 59% to 49%, while Windows 11 has increased to over 46%. Approximately 700 million users remain on Windows 10, with over 240 million devices not meeting the upgrade requirements. Microsoft is encouraging users to upgrade and will introduce a migration tool to facilitate the transition. The upgrade from Windows 10 to Windows 11 is free for compatible PCs, but unsupported systems may face security risks post-October 14.