osx won’t download error help please! 🤦‍♀️🤞

cannot install os

i am trying to reinstall vintage Mac to osx. The drive has been wiped. The date has been set in utilities I have tried both the current date and 2014 like suggested when searched error coming up is - Alan error occurred while preparing the installation. Try running this application again. I have tried multiple times any advice? It’s connected to the internet via Ethernet