How to make a custom system icon for Macs in Photoshop

Do you want to create custom icons for Macs? We will see how to use Iconographer and Photoshop to make a custom icon that can be used to replace icons on folders, applications and more. Iconographer can be used to deal with many icon formats, including classic Mac OS (8-bit icons only), Mac OS 8.5+ (32-bit icons with 8-bit masks), Mac OS X (128 x 128 icons in .icns files), Windows and Windows XP (.ico files), and Mac OS X Server (48 x 48 icons in .tiff files).