WordPress.org

1. Download and unzip the most recent version of Fotobook
2. Upload the entire fotobook folder to /your-wordpress-install-dir/wp-content/plugins/
3. Login to your WP Admin panel, click Plugins, and activate Fotobook
4. Go to Options and then click the Fotobook link. Follow the two steps for linking the plugin to a Facebook account.
5. Now import your albums on the Manage / Fotobook page.
6. That's it!

To upgrade simply replace the old Fotobook directory with the newest version. Re-import all of your albums to complete the upgrade.