New projects are created under the Projects tab.

A - To create a new project, hover over the desired project type and click the + button.

A file explorer will open, allowing you to choose the location to save your project and to enter its name.

Once ready, click Save to create the project.

Memento Photo Album will then automatically take you to the Settings tab, where you can define the page dimensions.

If you don't recall where you saved your projects, search your file manager for .memento files.