Snort 1.6 ported to Windows – This is a working port of Snort to Windows NT/2000/9x. (Includes source and binaries). Changes include interface names, filenames, syslog changes.
You can download it from the following link: https://packetstormsecurity.com/files/download/22096/snort-1.6-win32-static.zip
Source: https://packetstormsecurity.com/files/22096/snort-1.6-win32-static.zip.html