While the full commercial version of is not free to download, there are several legitimate ways to play portions of the game or access its enhanced versions at no cost if you already own it. Legitimate Ways to Play for Free
Quake II RTX is NVIDIA's attempt at implementing a fully functional version of Id Software's 1997 hit game Quake II with RTX path- QUAKE II RTX - Getting Started | NVIDIA Quake 2 Free Download
NVIDIA offers a fully path-traced version of the game for free on Steam . This version includes the first three levels of the single-player campaign and allows you to experience the game with modern ray-traced lighting. While the full commercial version of is not
You can still find the original shareware version of Quake II on community sites like nQuake. These versions typically include the first episode of the game and are often used for online multiplayer testing. You can still find the original shareware version