Creo Interactive Surface Design (Style) > Curves > Editing Curves > To Edit Curve Points
  
To Edit Curve Points
1. Perform one of these actions:
◦ Double-click the curve to be edited.
◦ Select a curve, right-click, and choose Edit Definition.
◦ Select a curve to edit and click Style > Curve Edit.
◦ Click Style > Curve Edit and select a curve to edit.
The Curve Edit tab opens.
2. Edit the curve points using one of the Curve Point Editing Methods.
3. Click .