Find a similar component, right-click it in Fritzing, and select “Edit” (newer versions). Change the labels, pin counts, or graphics. Then save it as a new custom part.
Fully close and reopen Fritzing. You will see "Adafruit_Fritzing_Library" in the Parts Bin. fritzing library download
The part is now imported. You can find it by typing the part name in the search bar. Find a similar component, right-click it in Fritzing,