Just follow the two simple steps given below to customize your folder:
Step:1
Fast of all Download and install the software Folder Colorizr.It is tested and 100%virus free.you can download it from here : DOWNLOAD FOLDERCOLORIZER
Step:2
Now after installing the software, simply right click on any folder which you wish to customize.Here when you right click on folder, you will see a new option in the context menu i.e. Colorize !.Now simply go to that option and one sub menu will appear . Now Choose any color you want to assign to this folder.