What Is the Most Popular Free WordPress Theme?

According to WordPress.org, the most popular free WordPress theme is Twenty Fifteen.

This theme has been downloaded over 1 million times and is used by over 30,000 sites. Other popular free WordPress themes include Divi, which has been downloaded over 600,000 times, and WPBakery Page Builder, which has been downloaded over 500,000 times.

Many free WordPress themes are very popular because they are easy to use and have a lot of features. These themes make it easy to create a website without having to spend a lot of money.

The most popular free WordPress themes are also updated frequently, which makes them even more popular.