Ratsnest are visible connections between components on a circuit board. By default, these connections are shown as thin lines or paths connecting the components.
If you want to toggle the visibility of Ratsnest in Proteus, you can follow these steps:
Open your circuit design in Proteus.
In the toolbar at the top, click on the “Edit Layer Colours/Visibility” icon.
3. Under Displayed Layers, uncheck the Ratsnest box to hide the Ratsnest connections.
4. To show the connections, recheck the Ratsnest box.