Right-click the folder and choose Get Info from the right-click menu. In the top-left of the Get Info pop-up is a small version of the folder’s icon—click it. Once you’ve selected it, press Command + V to paste the image from Step 1. This should instantly change the folder’s icon into the image you copied in Step 1.
How do you permanently change folder icons on Mac?
Click the folder icon in the upper right corner of the info window. Press command + V. The default folder icon will now be replaced by the image you selected.
