Open Proshow Producer.
This is 4.5

File/Open

Open the folder you just unzipped.
Click on the Lori.psh

Open

I don't know why the files shows some missing
they are there. Click OK if this comes up.

Click on Browse

for the imcluded pictures, they are in the images folder

 

Do the same for audio

I would delete the first and last slide.

Now you have the 4 album slides.
Double click on the first slide to see the layers.

CLICK ON the image slide

RIGHT CLICK on the layer and select
SELECT FILE

Then find and click on the image you want to use. Open

Now your images will be inserted.