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nh343dos.zip (about 1.1M)  (MD5 sum: 5b825354d905c8b5ad8cfee7c6ccdca2)
This contains the protected-mode version of NetHack built with djgpp V2. It requires at least 3MB extended memory and at least 2.8MB of free hard drive space to unzip. A '386 or greater processor is needed. (about 1.1M)
It requires DPMI to run. If you want to run it
on plain DOS you can get
, unpack it,
the CWSDPMI executable in your NetHack directory.
Note: there is no real-mode overlaid binary distribution of NetHack 3.4.3
See the file README in the top level directory unpacked in Step 2 for additional installation instructions.