You can work with the set itself, but we recommend to download Folder Marker.
Folder Marker lets you mark folders with color-coded and image-coded icons in two mouse clicks, making folders easy to find. You can change the icon from the context menu of the selected folder, or from the program using its simple interface and tools.
That's it! Only one step to change a folder icon! Isn't that cool or what? Download Folder Marker and use it.
Hem. Six steps to change a folder icon.