Choose "Project" > "New".
Type in the name of the project.
At the sime time the project name is the name of the folder that contains soll data of the project.
Optionally you can give your project a description that later is shown in the status bar.
If you create a new project, a new job will automatically be applied.
Choose "Job" > "Edit".
Here you could change the name of the job. This has no effects of your pictures.
By default, all processed pictures will be saven in the subfolder "Output" of your project. If you like, you can set an arbitrary output directory here.