We used the 3D FlipBook - Lite Edition as a free version. We purchased the license key for that as one time, but not able to activate it in using 3D FlipBook - Lite Edition. Please help us to activate license key for the pro version felicity.
You need to install the pro version https://3dflipbook.net/wp-user-manual#installation and insert your license key in the plugin settings.
You need to install the pro version https://3dflipbook.net/wp-user-manual#installation and insert your license key in the plugin settings.