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Ch OpenGL toolkit runs under one of Ch Standard/Professional/Student Editions. It requires Ch version 3.0 or higher. 
For some applications,
Ch X/Motif toolkit
in Unix
or 
Ch Windows toolkit
in Windows is needed.
Ch OpenGL toolkit works in the following operating systems:
 
- 
Windows 95/98/Me/NT/2000/XP/Vista/Windows 7 
 
 - 
Solaris 2.6 or above 
 
 - 
HP-UX 11.11 or above 
 
 - 
Linux (kernel 2.2.5 or above) 
  
Disk space requirement for SoftIntegration Ch OpenGL ToolKit:
  
 
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