On October 14, 2025, Microsoft officially ended support for Windows 10, releasing a final mainstream security update and urging users to transition to Windows 11 or enroll in its Extended Security Updates program to maintain protection[1][3][4][5][7]. This marks a significant milestone for the company and its global user base, potentially influencing enterprise upgrade cycles and long-term product strategy. Additionally, Microsoft announced a major strategic investment to enable in-country data processing for Microsoft 365 Copilot in the UAE, reinforcing its commitment to AI innovation and regulatory compliance in the region[2]. Despite these major developments, MSFT shares traded at $511.17 (-0.56%) in pre-market, following a recent close of $514.05 (+0.60%) on October 13, 2025, with no direct price movement attribution to these announcements in the provided context.