Click the yellow banner on the start screen to open the wizard.Once the plugin is installed, you can use the Minecraft Entity Wizard to start creating your entity. Click on Install to add the plugin to Blockbench.Locate the plugin Minecraft Entity Wizard, either by scrolling through the list of available plugins, or via the search box.
In Blockbench, navigate to File and select Plugins.Most parts of the program work the same in the web app, but saving files requires a few extra steps. If you do not want to install the app, or you are using a mobile device like a tablet, you can also use the plugin in the Blockbench web app.