Open The Photo In Photoshop

Create an image

Choose File > New.

In the New dialog box, type a name for the image.

(Optional) Choose a document size from the Document Type menu.

Note:

To create a document with the pixel dimensions set for a specific device, click the Device Central button.

Set the width and height by choosing a preset from the Size menu or entering values in the Width and Height text boxes.

To match the width, height, resolution, color mode, and bit depth of the new image to that of any open image, choose a filename from the bottom section of the Document Type menu.

Set the Resolution, Color Mode, and bit depth.

If you’ve copied a selection to the clipboard, the image dimensions and resolution are automatically based on that image data.

Select a Background Contents option:

White

Fills the background layer with white, the default background color.

Background Color

Fills the background layer with the current background color.

Transparent

Makes the first layer transparent, with no color values. The resulting document has a single, transparent layer as its contents.

Other Opens the Color Picker dialog box to select a background color. For more information, 

(Optional) If necessary, click the Advanced button to display more options.

(Optional) Under Advanced, choose a color profile, or choose Don’t Color Manage This Document. For Pixel Aspect Ratio, choose Square unless you’re using the image for video. In that case, choose another option to use non-square pixels.

When you finish, you can save the settings as a preset by clicking Save Preset, or you can click OK to open the new file.   

Duplicate an image

You can duplicate an entire image (including all layers, layer masks, and channels) into available memory without saving to disk.

Open the image you want to duplicate.
Choose Image > Duplicate.
Enter a name for the duplicated image.
If you want to duplicate the image and merge the layers, select Duplicate Merged Layers Only. To preserve the layers, make sure this option is deselected.
Click OK.                                                                                                                                                                                                                                                                                     
Open a file using the Open command
1. Choose File > Open.
2. Select the name of the file you want to open. If the file does not appear, select the option for showing all files from the Files Of Type (Windows) or Enable (Mac OS) pop-up menu.
3. Click Open. In some cases, a dialog box appears, letting you set format-specific options.                                                                                                                                                                                                                                 
4. Do one of the following:

   • (Photoshop) Choose File > Open.
   • (Bridge) Select the PDF file and choose File > Open With > Adobe Photoshop. 
5. In the Open dialog box, select the name of the file, and click Open.
6. Under Select in the Import PDF dialog box, select Pages or Images, depending on what elements of the PDF document you want to import.
7. Click the thumbnails to select the pages or images you want to open. Shift-click to select more than one page or image. The number of selected items appears under the preview window. If you’re importing images,
8. To give the new document a name, type it in the Name text box. If you’re importing more than one page or image, multiple documents open with the base name followed by a number.
9. Under Page Options, choose from the Crop To menu to specify what part of the PDF document to include: