Many FreeDOSers run FreeDOS from a PC emulator. Bochs is a highly portable open source IA-32 (x86) PC emulator written in C++, that runs on most popular platforms. It includes emulation of the Intel x86 CPU, common I/O devices, and a custom BIOS. Bochs is capable of running most Operating Systems inside the emulation including DOS. New Bochs 2.6.10 release is now available. This version includes Bugfixes for CPU emulation correctness (critical bugfixes for PCID, ADCX/ADOX, MOVBE, AVX/AVX-512 and VMX emulation), new CPUID's, Added basic DDC support for the VGA-compatible adapters, and other features. You can download it from the SourceForge project files page.