Microsoft Sued Over Windows 10 End-of-Life as October Deadline Looms
Microsoft Sued Over Windows 10 End-of-Life as October Deadline Looms

A California man has filed a lawsuit against Microsoft, challenging the tech giant’s plans to end free support for Windows 10 on October 14, 2025. The complainant, Lawrence Klein, argues that Microsoft is unfairly forcing users to upgrade to Windows 11, potentially leaving millions without crucial security updates if their hardware isn’t compatible or they choose not to purchase extended support.
Klein, who owns two Windows 10 laptops unable to upgrade to Windows 11 due to Trusted Platform Module 2.0 (TPM) requirements, contends that Microsoft’s actions violate California’s business and consumer protection laws. His lawsuit demands that Microsoft either continue free Windows 10 support until its market share significantly declines (below 10%) or relax the hardware restrictions for Windows 11 upgrades.
The legal challenge comes as Windows 10 still accounts for nearly 43% of Windows installations, despite Windows 11 recently surpassing it in market share. Klein’s complaint highlights that previous Windows operating systems received longer support periods post-successor launch, making Windows 10’s phaseout appear premature. The lawsuit also suggests that Microsoft’s push for Windows 11, with its integrated Copilot AI, serves to gain a competitive edge in the AI market by driving new hardware sales.
As the October 14 deadline approaches, this lawsuit could have significant implications for millions of Windows 10 users worldwide.
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