Choose whether to show or hide the author's name.
Go to your WP plugin installation page and search for "Show Hide Author". Then choose the plugin and install it.
Download the plugin to your computer, then go to your WP plugin installation page and choose to upload the plugin. Choose the file and install it.
The plugin settings will be available under the "Plugins" main menu. Click on "Plugins" main menu and then click on "Show Hide Author". (Check the screenshots)