If you’re looking to add a stroke to an Illustrator file, there are a few different ways to go about it. The first is to use the Stroke tool. To do this, click on the Stroke icon in the Tools panel and select the desired stroke type from the menu that appears. The second option is to use the Pen tool and draw your stroke directly on top of your artwork. The third option is to use the Pathfinder panel and create a new path. Once you’ve selected your path, click on the Stroke button in the Paths panel and select your desired stroke type from the menu that appears. whichever method you choose, be sure to experiment with different options until you find something that looks good on your specific artwork. ..