Use the Custom Size layout to manually adjust the size of the printed image.
To print images using a custom size:
Open the album that contains the images that you want to print.
Click the Print button to open the Print Layout window
Click the Templates tab to view the Print Layout list.
Expand the Basic Layouts template group, and select Custom Size layout.
Change the size of the image.
Click and drag one of the blue squares in the corners of the image to stretch or shrink the dimensions.
Type in the exact dimensions that you want for the Width and Height in the fields at the top of the Print Layout window. Select the units of measurement (Inches or Centimeters) from the drop-down list.
Click the Print button to open the Print dialog for your particular printer.
Choose the Page Range and Number of Copies that you want to print.
Click the OK button to print.
Printing Images Using Templates