To install the 2FAS plugin, log in to the WordPress dashboard and go to the Plugins page. Then click Add New.
Search for the 2FAS plugin by typing
2FAS in the search box. When the plugin is found, click Install Now.
The 2FAS plugin will be installed. When WordPress finishes installing the plugin, the last thing you must do is activate it by clicking Activate.
When the 2FAS plugin is active, you can find the 2FAS link in the menu.
You can also recognize that plugin is active by visiting the login page. There is a 2FAS icon at the bottom.