Plus what beginners should use
WordPress.org VS WordPress.com: The Confusing Differences Explained!
If you are thinking about starting your own blog and want to use WordPress as your blogging platform, you have a couple of options. You can use WordPress.com or WordPress.org.
Both methods are based on the WordPress content management system (CMS) platform. However, there are major differences between the two that you should understand before making a decision.
WordPress.com is a platform hosted and managed by the WordPress company, while WordPress.org allows you to download and install the WordPress CMS on your own hosted website account.