Downloading
You can download any files that you upload or import. You can also download files that are produced by apps.
You have two options for making files accessible to another person: File Sharing and sending a Download Link
Related
Obtain a download link for a file 
Use a file’s download link to download the file
Disable a file’s download link (so the link can no longer be used to download the file)
Create a new download link for a file after disabling that file’s first download link