The most reliable way to get the game today is through digital retailers who provide versions updated for modern systems:
While is occasionally offered for free through promotions like EA's "On the House," it is not currently officially available as a permanent free download . It is still under copyright by Electronic Arts and is considered active retail software, not abandonware . Official Purchase & Download Nox (2000 RPG) Free Game Download
While the base game is paid, some legacy components were released for free: The most reliable way to get the game