Creating Views > Setting Lighting > To Change the Default Lighting Setup
  
To Change the Default Lighting Setup
1. Click File > Options.
The Creo View Options dialog box opens.
2. Next to Showing, select Illustration.
3. On the left, click Model > Lighting. The Model-Lighting options open on the right.
4. Select a default lighting option from the Default light setup box.
5. To display shadows, select Display shadows. You can then adjust the following shadow parameters:
Shadow Quality
Shadow Bias
6. Click Apply to apply the setting and keep the dialog box open, or click OK to apply the setting and close the dialog box.