Windows 10 reached the end of its support, prompting users to consider upgrading to Windows 11 or staying with their current operating system. Windows 7 has a market share of approximately 2.5%, and Windows XP holds 0.22%, translating to around 25 million machines running Windows 7 and 2.2 million on Windows XP. The primary reason users remain on these older systems is app compatibility, as many legacy applications do not run on newer operating systems. Upgrading involves significant costs and challenges, including data migration from legacy software. The decline in Windows 7 and XP usage is slow; in January 2023, Windows 7 had 9.55% market share, dropping to 3.05% by January 2024. Users often prioritize convenience and reliability, with many systems operating in isolation from the internet, reducing their vulnerability to threats.