We get the "Chernobyl: clear sky" E3 Demo. The demo was shown by GSW at E3 in July last year. The download size of "Chernobyl: clear sky" E3 Demo is 491MB, the file name is "STALKER Clear Sky build 3120 Aug 19 2007.7z", the Build version is 3120. You can run "Chernobyl: clear sky" E3 Demo by executing running run_alife.cmd in the game directory.
We tested "Chernobyl: clear sky" E3 Demo in Vista SP1, and found it only supported DirectX 9.0c and Shader Model 3.0, it didn't support DX10. We found below info in "xray_username.log":
Starting RENDER device...
* GPU [vendor:1002]-[device:9501]: ATI Radeon HD 3800 Series
* GPU driver: 6.14.10.6783
* CREATE: DeviceREF: 1
* Vertex Processor: PURE HARDWARE
* Texture memory: 735 M
* DDI-level: 9.0
* GPU shading: vs(fffe0300/3.0/30), ps(ffff0300/3.0/30)
Click to download "Chernobyl: clear sky" E3 Demo (unzip password:pczilla)
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