Microsoft's Windows 11 has been available for nearly four years and features a modern interface but lacks some popular features from Windows 10, such as taskbar repositioning. Security updates for Windows 10 will end on October 15, 2025, prompting users to either upgrade to Windows 11 or enroll in the Extended Security Updates (ESU) program for a fee. Recent data from StatCounter shows that in the US, Canada, and the UK, Windows 11 has surpassed Windows 10 in market share, although globally, Windows 11 holds 47.98% compared to Windows 10's 48.76%. From March to May, market shares were stable, but in June, Windows 11's adoption increased by over four percentage points while Windows 10's declined. Windows 7 is the third most used version of Windows with a 2.19% share, followed by Windows XP at 0.43%, and Windows 8 and 8.1 at 0.31% and 0.28%, respectively. StatCounter's data comes from over 1.5 billion sites globally, providing insights into operating system trends.