How to update included plugins?

After each plugin update, follow these steps to update included plugins on your website.

Download the latest version of theme
Update your theme to latest version ( manually or using Envato market plugin )
Now deactivate your theme
Go to "WordPress dashboard > plugins", then deactivate and delete those plugin that included with our theme ( for example visual composer , master slider , revolution slider , layer slider )
Now activate your theme again
In WordPress dashboard, you will see a message that asks you to install the required plugins, click on begin installing plugins
In next page select and install your desired plugins, it will install the latest compatible version of plugins for you