[tridef 3d not excuting]

Hi I am using windwos 8.1 preview.My system configuration is Core2quad cpu, 8gb ram, 2tb hdd, Nvidia 610 2gb ddr3. viewsonic 19\" monitor

 

I could not run tridef 3d. Plz help me in solving. I tried several ways.

 

 

Operating system:Windows 8.1 Pro Preview (64 bit)

System root: C:\\Windows

Available physical memory: 7294 MB

CPU: Intel® Core2 Quad CPU Q8200 @ 2.33GHz

Drive Info:

C: 97.66 GB

D: 51.39 GB

E: 931.51 GB

F: 931.51 GB

Internet Explorer: 11.0