Drop files or a whole folder on a folder below (or press Choose files / Choose folder) to save them in Google Drive. Use Add link for a Google Photos album or Drive link. A Drive folder is created the first time a file goes into it.
Add link: the Google Photos album or Drive file must be shared as Anyone with the link, or others will see "access denied".
Google Photos: open the album, Share, Create link. Google Drive: right-click, Share, General access, Anyone with the link, Copy link.