Hey guys can somone please tell me how to get the update for the cast on my phone cause when i for it last year it didint have it so please tell me how to get it

Hi guys dose anyone no why evrytime i say hey googel it just gouse to googel chrome please tell me how to fix it 

Hello fellow galaxy community I am pleased to be here whit all of you I just whant to say for the kids enjoy back to school and if anyone whant to no how I am just ask and have a blessed 2024