30% of HP's installed user base is still operating on Windows 10, which leaves approximately 400 million PCs vulnerable as they do not meet the hardware requirements for Windows 11. The proportion of Windows 10 users has declined slightly since September 2025. HP's revenue rose by 9% year-on-year, reaching .41 billion, with the transition to Windows 11 providing a financial advantage for the company. Microsoft introduced the Extended Security Updates (ESU) program for Windows 10 users, allowing enrollment for free or through Microsoft Reward points, with access later made free for users in the European Economic Area who do not meet cloud backup requirements. Critics argue that the end of support for Windows 10 forces functional PCs into premature retirement due to hardware requirements for Windows 11. The Public Interest Research Group has raised concerns about the impact of discontinuing Windows 10 support on older devices and is promoting Linux as an alternative. Microsoft has been encouraging upgrades to Windows 11 through ads highlighting performance advantages.