India, Oct. 9 -- With Microsoft support for Windows 10 ending this month, new data from TeamViewer highlights a pressing reality, a large portion of global systems remain unprepared for the transition. According to TeamViewer's analysis of 250 million anonymised connections made between July and September 2025, over 40% of all connected endpoints still run Windows 10, leaving millions of devices exposed to security vulnerabilities once support ends.

The findings, drawn from both paid and free TeamViewer sessions, reflect a significant lag in enterprise and consumer readiness for migration to Windows 11 or other supported operating systems.

"With two in five endpoints losing security updates and patches in a matter of days, companies and...