Hi Edith, My name isXXXXX will assist you.I am sorry to hear that you are having trouble with this.Do you get an error message or code when you attempt the download?What happens when you try the download?You can use Adobe® Digital Editions to add EPUB and PDF books to your eReader, as well as books that are protected by Adobe Digital Rights Management (DRM).
To add an EPUB or PDF book to your eReader:
To add a DRM-protected book to your eReader
a. Click the library icon in the upper left of the window. b. Drag your new book to the Kobo eReader Bookshelf.