Adobe Photoshop CS3 is a powerful graphic content editing software that can be used to create and prepare images for print or web design, and to restore or enhance images. This program is used by professionals and amateurs and is suitable for PC and Mac computers.
Steps

Step 1. Purchase Adobe Photoshop CS3
This program is available on disk or for download.

Step 2. Install Adobe Photoshop CS3

Step 3. Take a look at the resources available to users of Adobe Photoshop CS3
This includes guides, videos, forums, and RSS feeds.

Step 4. Open Adobe Photoshop CS3

Step 5. Get familiar with the Photoshop workspace
- The menu sits at the top of the work area and sorts commands into categories.
- The tools menu is located on the left side of the workspace and includes tool icons for adding text and creating / editing pictures, images and graphic elements.
- Many tools have several options. The Control Panel (Options) displays options (if available) for the tools you are working with.
- The Document window is the main part of your screen where your work is.
- Panels (also known as Palettes) are ways of keeping track of changes made during your work. The Layers panel (Layers palette) is a commonly used panel. You can add or remove a panel from the Window menu located in the main menu. You can customize your work area by changing the position of your panels.

Step 6. Open the image for editing or create a new one
When creating a new image, specify its size, resolution and background

Step 7. Select "Image Size" from the Image menu if you are working with an existing image
The Image menu is on the main menu.
- Uncheck the "Resample Image." Resampling changes the amount of data in an image and can negatively affect its quality.
- Resize your image by adjusting the height or width in pixels or inches. To resize your image proportionally, select "Constrain Proportions."
- Adjust the image resolution if you like.

Step 8. Adjust the color mode of the image if necessary by selecting "Mode" from the Image menu

Step 9. Change the color inside your image by adjusting Layers, Curves, Hue or Saturation, or by combining these parameters
You can open these parameters in the "Adjustments" submenu, in the Image menu.

Step 10. Beautify your images by selecting the desired tool from the Tools panel

Step 11. Save the image using the new file name and choosing "Save As" from the File menu
Try not to overwrite the original file.