Adobe Photoshop - this is one of the most popular image editors. Adobe Photoshop allows you to create new images or edit existing image files. Adobe Photoshop graphics editor used to create photorealistic images with color scanned images, retouching, color correction, transformation of graphs, color separation, etc.
Adobe Photoshop has all the methods of working with bitmaps, in this case is to work with layers and uses the contours. Adobe Photoshop is the undisputed leader among the professional graphic editors due to its widest possibilities, high efficiency and speed.
-Convenient dynamic panel control to access all the necessary tools for color correction and toning images, styles, and other editing tools.
More information you can find at adobe.com
How to Deactivate...?
So simple, just click CS5 activation DLL file after installation finished.
Picture bellow from Photoshop CS5 my laptop.
Never ask you about active CS5.