An enthusiast ran Windows 7 Ultimate on a system with a 5-MHz chip and 128 MB of memory - the OS booted in 28 minutes
The author of the NTDEV YouTube channel has published a video that demonstrates the operation of the Windows 7 Ultimate operating system on a virtual machine with inadequate technical specifications.
Here's What We Know
An enthusiast was able to run Windows 7 Ultimate on a virtual machine configured with the 86Box emulator. He managed to lower the Pentium-S chip frequency from 50 MHz to 5 MHz. The memory capacity was 128 MB.
The operating system booted in 28 minutes. At the same time it retained some features including multitasking. For example, it was able to open "Notepad" along with the CPU frequency display software.
Windows 7 Ultimate was constantly running in "safe" mode with a number of drivers deactivated. The operating system also displayed all .exe, .sys and .dll files during the run.
Note that Windows 7 itself was released in 2009. The system requirements require at least 1 GB of RAM and a processor with a frequency of 1 GHz. The author of the project noted that he managed to run the operating system on a virtual machine, reducing the chip frequency to 3 MHz and the amount of memory to 36 MB. But the functionality was cut even further, so he decided not to record a separate video.