HP estimates that three in ten of its PC customers remains on Windows 10, which exited standard support terms in October. Speaking to investors yesterday, Ketan Patel, president of personal systems, claimed the slow migration to Windows 11 was giving HP a financial boost. "Windows 11: 30 percent of the installed base is still to be refreshed. That's one tailwind which we see as an opportunity in the short run," he said. Karen Parkhill, HP CFO, added that the trend was regional and particularly strong in EMEA and APJ for its financial second quarter, which ended April 30. "We have roughly 30 percent of the installed base still on Windows 10, so we still have some more to go. The Win 11 refresh that we've driven now in EMEA and APJ is now on par with North America," she said. Microsoft said support for Windows 10 would end for business customers on October 14, 2025, although security updates are available for the old OS in extended support, for which users pay a premium.…