Now here I am going to show you different versions of Photoshop from 1.0 to cs5 and beyond !!

1. Photoshop version 1.0 was first used in Mac OS in February 1990

Features

• Color correction with Balance, Hue, and Saturation
• Image optimization for output
• Curves
• Levels
• Clone tool
  

2. Photoshop version 2.0 June 1991, this is the second version after 1.0 and codename FAST EDDI

Features

• Paths
• Rasterizer for Adobe Illustrator® files
• Support for CMYK color
• Duotones
• Pen tool
  

3. Photoshop version 2.5 1993, 3rd version. Now in this version they wanted to expand their business so they introduced it to all the Operating systems that includes Mac OS, Windows, IRIX and Solaris.


Features

• Palettes
• Support for 16-bit files

4.Photoshop version 3.0 4th version September 1994, Codename Tiger Mountain
Mac OS, Windows, IRIX and Solaris.

Features

• Layers
• Tabbed Palettes

5.Photoshop version 5.0 May 1998, codename Strange Cargo. In this version photoshop was only designed for Mac OS and Windows.No codename.

Feature

• International Color Consortium (ICC)-based color workflows
• Multiple Undo (History Palette)
• Magnetic Lasso
• Editable Type

6. Photoshop version 5.5 February 1999.Mac OS, Windows. No code name .

Features

• ImageReady bundled with Photoshop
• Save for Web
• Extract
• Image slicing and rollover effects

7. Photoshop version 6.0 September 2000,Mac OS, Windows. Codename Venus in Furs .

Features

• Vector Shapes
• Updated user interface
• Liquify filter
• Layer styles/Blending Options dialog

8.Photoshop version 7.0 March 2001,Mac OS, Windows. codename Liquid Sky.

Features

• Healing Brush
• Made text fully vector
• New painting engine
• Photoshop file browser

9. Photoshop version CS1(8.0), CS means "creative suite" October 2003, which includes Photoshop, Illustrator, inDesign, Acrobat and GoLive. Mac OS, Windows. Codename Dark Matter.


Features

• Shadow/Highlight command
• Match Color command
• Lens Blur filter
• Real-Time Histogram
• Highly modified Slice tool
• Hierarchical Layer groups

10.Photoshop version CS2(9.0)April 2005,Mac OS, Windows.Codename Space Monkey.


Features

• Adobe Bridge 1.0
• Smart Objects
• Image Warp
• Spot Healing brush
• Red-Eye tool
• Lens Correction filter
• Smart Sharpen
• Vanishing Point
• Smart Guides
• HDR imaging support

11.Photoshop version CS3(10.0)April 2007,Mac OS, Windows. Codename Red Pill.

There are Two versions in this suite Basic and Extended

Features

Basic:

• Smart Filters
• Native Intel Macintosh support
• Quick Selection tool
• Refine Edge tool
• Automatic layer alignment and blending

Extended:

• 3D visualization and texture editing
• MATLAB integration
• Measurement and counting tools
• DICOM format support
• Motion graphics and video layers
• Movie Paint
• Vanishing Point with 3D support
• Image stack processing.

12.Photoshop version CS4(11.0) September 23, 2008,Mac OS, Windows. Codename
Stonehenge.Two versions again Basic and Extended.

Features

Basic:

• Adjustments panel
• Masks panel
• Smoother panning and zooming
• Fluid canvas rotation
• Common user interface
• Content Aware Scaling

Extended:

• Breakthrough 3D editing and compositing
• Enhanced motion graphics
• Volume Rendering
• Easier data collection and analysis.

13. Photoshop version CS5 This is the highest there is so far. CS5 has a lot of features which will blow your mind . April 12, 2010,Mac OS, Windows . Codename White Rabbit.
Two versions that is Basic and Extended

Features

Basic:

• Complex selections made easy
• Content-Aware Fill
• HDR Pro and HDR Toning
• Puppet Warp
• Mixer Brush and Bristle Tips

Extended:

• Easy 3D extrusions with Adobe Repoussé
• Quick shadow creation and image-based lights
• Rich 3D materials library
• Motion-based content editing
• Image analysis and measurement

The languages that are available are

Brazilian Portuguese, Chinese Simplified, Chinese Traditional, Czech, Danish, Dutch, English, Finnish, French, German, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Romanian, Russian, Spanish, Swedish, Turkish and Ukrainian.

The Arabic, Greek, Hebrew, Middle Eastern, and North African language versions are available from Winsoft.
sorry no HINDI. :D