Zabbix datasource cannot success connect to grafana

I want to install zabbix plugin for grafana in offline mode so at the first step I have downloaded
alexanderzobnin-zabbix-app file and copy this folder in /var/lib/grafana/plugins
now I could enable zabbix plugin in grafana but after add datasource due save it shows error :

request failed, status: 404 Not Found

Hi @alex23,

Thanks for opening this post.

Did you already check the documentation regarding it i.e.