How to Import FLA, SWF files in Harmony 15 Premium

Hello Team, I have installed a Licence version of the Toon boom Harmony 15 Premium, but i dont know how to import the FLA, SWF files into it, also when i go into file menu- import - swf,illustrator files to library option it shows me disabled so can you please let me know how to enable this option and the color mode option as well so please let me know if there is an another process to import it…

https://docs.toonboom.com/help/harmony-15/premium/import/import-swf-file.html