This is how your window should look when you get the two files sized so you can see them both at the same time.
This the button you will find on the Align panel group. On the MAC it is labeled Relative to Object, and then when you click on it -- it changes to Relative to Canvas. On the PC it might be labeled Arrange Button.
Once you have clicked on that button, you will be able to align vertical and horizontal so the image is in the center of the blue canvas you created. See where the line is through the middle going up and down and the other one in the middle going left and right. You will click on both of them to center the image.
Here is the button for the Live Filter option. It is in the Properties window at the bottom of your screen.
This is how it should look when you finish.