1. Open After Effects and run the script to display the UI panel. 2. Select the layers in the composition that you want to duplicate and rename. 3. Use the "Search" field to type the name pattern you want to find in the selected layers. 4. Type the "Replacement Term" to define how the duplicated layers should be renamed. 5. Choose the desired color for the labels of the duplicated layers from the dropdown menu. 6. If needed, specify the exact position for the duplicated layers in the XYZ fields. 7. Optionally, enable flipping by checking the relevant checkboxes. 8. Configure any additional actions such as closing the panel upon completion or keeping the parent null. 9. Press the "Duplicate Layers" button to start the process. Once done, review the changes in the composition and make further adjustments if necessary. Remember to always save your work frequently to avoid losing any progress. If you encounter any issues or have questions about the script, refer to the "i" button for more information and support.