To ensure Flash websites display within the embed signage website widget on a Mac device, Flash will need to be installed on the device.
There is a specific version of Flash that is required on the device, which can be downloaded from this website: Download PPAPI Flash here.
Follow these simple steps to get the PPAPI Flash version installed:
Select operating system.
Choose PPAPI version of Flash.
Make sure its the PPAPI version has installed.
Reboot your device
Relaunch the embed signage application