From README:

Team Fortress Classic 2008-01-17 NON-STEAM
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* Clean rip from latest GCF’s (see Notes below)
* LAN multiplayer supported (type "connect [IP ADDRESS]" in console)
* Internet multiplayer untested
* Bots included (foxbot.rar) for offline play
* Half-Life Game and Half-Life Dedicated Server included

Create a shortcut: hl.exe -game tfc or double-click Team Fortress Classic.bat
CD Key: 5RP2E-EPH3K-BR3LG-KMGTE-FN8PY or double-click on cd-key.reg

http://rapidshare.com/files/87551402/Team_Fortress_Classic.part1.rar
http://rapidshare.com/files/87560925/Team_Fortress_Classic.part2.rar
http://rapidshare.com/files/87568010/Team_Fortress_Classic.part3.rar

Seems to work fine, havent tried it online though.