WordPress is a free Open-Source, user-friendly, template-driven, online resource tool for creating a variety of different websites.
It is called a Content Management System (CMS) and has a variety of Plugins that can be of added benefit to create various design-enhancing aspects that will make your website work for you.
It is more beneficial to consider making use of a Managed WordPress Hosting Plan, as it can assist in making maintenance of your WordPress website an easier process.
A Managed WordPress Hosting environment will ensure that your provider maintains the most current version of WordPress.
However, please bear in mind that the User must ensure that they update ALL plugins that they may have used for their WordPress website.