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Apple’s 2024 policy change let the UTM SE emulator, which uses a threaded interpreter instead of JIT, run Windows XP and other OSes on iPad, iPhone and VisionOS, though the app is about 60 % slower than full UTM and feels sluggish, yet classic games still play smoothly.
The article reports that Microsoft’s upcoming Windows 11 24H2 will require CPUs with POPCNT support, highlights a successful run of Windows XP on a 1990s Intel i486, and details a YouTuber’s experiment exposing legacy Windows XP and 2000 systems to the internet, revealing rapid virus infections and security risks.
The article explains how a Reddit user built a completely offline Windows XP activation tool based on the open‑source WindowsXPKg project, which leverages a research paper that reverse‑engineered Microsoft’s activation algorithm, and provides additional resources for certificate updates and legacy browser support.