It has come to our attention that the installer is apparently having difficulty satisfying the prerequisite of finding MAXWELL3MAXWELL4_ROOT on some installations. The installer has always required this, but it seems that the Maxwell installer may be setting MAXWELL3MAXWELL4_ROOT only at the User level. So, if you get an error during the installation, indicating that Maxwell Render could not be found, or Maxwell Render doesn't start, please edit your machine's Environment variables, adding a System Environment variable called MAXWELL3MAXWELL4_ROOT, which points to your Maxwell Render directory, and another called MAXWELL3MAXWELL4_MATERIALS_DATABASE environment variable pointing to your material database folder (usually inside the Maxwell2 Maxwell 3 installation folder). The two environment variables should be: - Name: MAXWELL3 MAXWELL4_ROOT Value: C:\Program Files\Next Limit\Maxwell 3 Studio 4 (or the location of your Maxwell install if different from this default one. If you installed Maxwell 32bit on a 64bit system, the install path would instead be C:\Program Files (x86)\Next Limit\Maxwell 3).
- Name: MAXWELL3 MAXWELL4_MATERIALS_DATABASE Value: C:\Program Files\Next Limit\Maxwell 3Studio 4\materials database (or the location where you installed the Material Database, if different from this default location)
The System Environment variables are located in the lower box, as seen here: Environment variables may be accessed from: Windows XP- going to the Start menu - right-clicking 'My Computer' - clicking 'Properties' - going to the 'Advanced' tab - clicking 'Environment variables' Windows Vista- menu - - right-clicking 'Computer'
- - - in the dialog box, clicking the 'Advanced System Settings' link
- - clicking 'Environment variables'
Windows 7- - - - - click 'Advanced system settings' on the left hand side of the window that opens
- - in the window that opens go to the 'Advanced' tab and click the Environment Variables button
.Windows 8 or 10- tap Windows key
- type Environment Variables and hit Enter
- System Properties window will open
- Click Environment Variables button
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