It really should be such an easy process, yet it's driving me to despair. I've deleted the Lite version, I have two zip files from you
I've tried them both, both come back with,
Installing plugin from uploaded file: 3DFlipBook-instalator_sources_docs.zip (or 3D_FlipBook_WordPress_Plugin_Pro_Edition.zip)
Unpacking the package…
Installing the plugin…
The package could not be installed. No valid plugins were found.
Plugin installation failed.
Go to Plugin Installer
Why is this such a pain to install? I have no idea, incidentally what the 'dist' folder is as described in some of the previous failed installations that I have read about on your support forum. Why is this so difficult to install?