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These are emulators in the truest sense, in that they don't do any kind of cheating the way a hypervisor would. 3D graphics and Pentium CPU emulation for these systems usually requires modest to top-notch [https://www.cpubenchmark.net/singleThread.html single thread performance of CPUs]. [[PCem]], [[86Box]] and [[PCBox ]] are full retro x86 computer emulators, spanning from the original IBM 5150 to Pentium III PCs. Setting it up is much like building an actual retro computer, but in software, so expect it to be as difficult as setting up an actual retro PC. This means you're going to have to install Windows 2000/XP (no Vista support at the moment) along with all necessary drivers for the hardware you chose. This is also a great option if you want most accurate option for 3DFX Voodoo emulation and [https://www.vogons.org/viewtopic.php?t=534 Windows 2000/XP glide games], even if it may be difficult to set up and significantly slower performance compared to [[Wikipedia:X86_virtualization#Hardware-assisted_virtualization|hardware-assisted]] [[Hypervisors]].