Yes, we would like to inform you that Folx 5 Pro downloader has switched to a new Apple Account and the developer signature has changed to ELTIMA LLC (N7U4HGP254). You may check the authority executing following commands in the Terminal:
codesign -dvv /Volumes/Folx/Folx.app
if you have Folx image mounted in the Finder before installation.
codesign -dvv /Applications/Folx.app
if Folx is already installed.