This site hosts several versions, including the popular Norton Commander 5.51 , the final release for MS-DOS.
A completely free and open-source alternative that looks and feels like the original but works across Windows, Linux, and macOS. norton commander download free
The go-to choice for Linux and terminal users. It is a text-mode clone that stays truest to the original keyboard-driven experience. This site hosts several versions, including the popular
The spiritual successor for Windows. While it's shareware, many users consider it the definitive "modern NC". This site hosts several versions
Since the software is technically "abandonware," you can find it on legacy software archives. Keep in mind that these versions are designed for DOS and will not run natively on modern 64-bit Windows without an emulator.