How to update WordPress plugins

Go to the Dashboard of your WordPress website.
Go to Plugins Option on the left side of your website dashboard.
click on the plugins
Select Number of plugins you want to update
Select All if you want to update all.
After the selection of plugins click the update button to update.
Your plugins are updating.
After completion of updating, messages will be appairing your plugin updated successfully.
When all plugin updated goes back to the dashboard your plugins are updated.