Here is what you need to do:
- Install plugin OR unzip the downloaded file to /wp-content/plugins/
- Go to your plugin settings and enable the plugin.
- In the sidebar you will have a new section called 'Contact Us' navigate there and set your preferences.
- goto appearance = > widget,you will see a plugin named "Lordlinus buisness hours", activate it and you will be able to see your buienss hour when updated through the plugin