The specific steps to add a library of components in proteus are as follows:

We need to prepare the materials are: computer, proteus.

1, first of all, we open proteus, click on the left side to open an amplifier component triangle.

2, then we click on the pop-up window on the left side of the white box in the letter P, will pop up a dialog box, in the upper left corner of the dialog box to enter their own components needed.

3, then we select the pop-up window we want to add a red LED light. Just in the text box enter "LED RED"? Then on the right side to select the device you need to find. After finding the desired device, double-click the entry, you will see automatically added to the left side of the white area.