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PC emulator comes to iOS, but Apple’s restrictions hamper performance
UTM SE's lack of JIT compilation means "SE stands for Slow Edition."
The UTM developers link to pre-configured settings downloads for versions of Windows going back to XP, alongside guides for getting those OSes up and running on iOS. Those who want full performance out of UTM can still install the regular, non-SE version of the app via sideloading or an alt store. However, similar restrictions haven't stopped emulators like Delta from running classic gaming consoles up through the Nintendo DS at a playable frame rate, suggesting that UTM SE might be sufficient for older MS-DOS or Windows 95-era titles.
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