No, you can't download any file present on a page. This application is actually Mozilla Firefox but at the development stage. It's used primary to test new functions and other experimental features.
To download files from websites, install a download manager. For example, Free Download Manager is a good choice for this purpose. It's can download everything from websites using its download options and features.
Download Free Download Manager: http://free-download-manager.software.informer.com/