1. Login to your WordPress admin dashboard
2. Navigate to Plugins
3. Delete Visual Composer by clicking on "Deactivate" and once the page reloads on "Delete" just below the plugin name
4.a Once uninstalled, a notice should appear, telling you to install the plugin. Click on "Begin installing plugin" to install the latest version
4.b If you do not see the notice, navigate to Appearance - Install Plugins. Click on "Install" just below the plugin name