This collection of OVER 600 video lessons will soon bring you up to speed. There are literally hundreds of functions and techniques to master that will enable you to produce stunning and professional quality images. Photoshop is used to edit and compose raster images in multiple layers and supports masks, alpha compositing and several colour models including RGB, CMYK, Lab color space, spot color and duotone. It has become the de facto industry standard in raster graphics editing, such that the word 'photoshop' has become a verb as in 'to Photoshop an image,'
Adobe Photoshop is a raster graphics editor developed and published by Adobe Systems for Windows and OS X.