where can i get the full version?

i am downloading the following file from this linkhttp://61.138.3.117/game/quake/osp-Quake3-1.01_full.exe
what am wondering will it be able to help me fix the demo version to the full version.

And by the way why can't the demo version run on my computer.

thanks for the link although it is in chinese :icon23:

Hi, everyone over there i just downloaded a zip file of quake 3 from the following url .URL http://61.138.3.117/game/quake/QuakeIIIArena.zip,however when i try to run the application file , all i get is a blank white screen. My system setup is as follows: intel P4. 2.8GHZ HT,512MB RAM, A.T.I X800XL ...