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Financial and Environmental Consequences

The lawsuit details the financial burden placed on consumers and businesses. Those unable to upgrade face the choice of purchasing new hardware or paying for Extended Security Updates at $30 per year for individuals and $61 per device for businesses in the first year, escalating to $244 by the third year.

Beyond individual costs, the complaint addresses broader implications for businesses running specialized systems. The lawsuit states: "Numerous business-critical systems—including point-of-sale (POS) terminals and computer numerical control (CNC) machines—operate on custom software developed specifically for the Windows 10 operating environment."

Environmental concerns also feature prominently in the legal challenge. The complaint warns of "an estimated 240 million PCs becoming e-waste," noting that if stacked, discarded laptops would create "a pile 600km taller than the moon."

Cybersecurity Risks and Public Safety

Klein's lawsuit raises alarm about cybersecurity implications, arguing that Microsoft's strategy will leave millions of users vulnerable to cyberattacks. The complaint notes that cybersecurity incidents cost the U.S. economy between $57 billion and $109 billion annually, and warns that "the premature discontinuation of Windows 10 support will likely exacerbate these financial losses."

The lawsuit emphasizes that security risks extend beyond Windows users themselves: "Even individuals who do not use Windows or own a computer are at risk of having their personal data compromised, as businesses that store customer information on Windows 10 systems will be increasingly vulnerable to cyberattacks."

AI Market Competition Claims

A significant portion of the complaint focuses on alleged anticompetitive behavior in the artificial intelligence sector. Klein argues that Microsoft's partnership with OpenAI, combined with forced hardware upgrades, creates an unfair advantage in the AI market.

The lawsuit states: "Microsoft's Azure was the exclusive cloud provider for OpenAI workloads. Hence, Microsoft controlled the compute layer powering its models. That meant any developer, enterprise, or consumer using OpenAI's API was ultimately routed through Azure infrastructure."

According to the complaint, this strategy has proven successful, with "OpenAI and Microsoft together controlled about 69% of the global generative AI market" as of the end of 2023, while the next largest competitor held only 8%.

Legal Remedies Sought

Klein seeks several forms of injunctive relief, including: