1. Open Aperture
2. Select File > Import > Projects
3. Select the downloaded file (it will have a .appproject extension) and click import. It will create a new project within Aperture.
4. Navigate to the new project and duplicate the book template. To duplicate right click the book icon and from the menu select duplicate book.
5. Drag the duplicated book to the project you are creating the album for.
6. Select your images and drag them on the the book icon.
7. Place images in the grey image holders. Click “autoflow” and let Aperture place the images for you.
8. You can make and save you own pages by clicking on the book actions button.
9. Select Save Page > As New Document Master. (Note this page is only saved in the book you are currently working in. To add it to your template you will need to copy and paste it into the original book.)