Open it up in Photoshop.
You are going to use the crop tool to resize to 14" wide x 11" high, 300 resolution by
pressing the CROP tool
Use the menu on the top of the screen to select W x H x Resolution
In the first box put 14 in and the second put 11 in and 300 px/in
Select the area you want to crop to.
To do IRIS BLUR (where something is in focus like a circle and everything around it is blurry)
In the FILTER menu, select BLUR GALLERY
select IRIS BLUR
use the pin drop to choose what are you want clear- scroll the wheel around to decide how far you want to make it blurry on the edges
To do TILT SHIFT (where one horizon line of the subject is in focus and the rest is blurry- like a toy)
in the FILTER menu, select TILT SHIFT
use the pin drop to choose where you want clear- scroll the wheel around to decide how far blurry you want it.