The easiest way to improve your writing is simply to read!
How Reading Improves Your Writing
One of the most effective ways to improve your writing is to read. By reading more, you are exposed to different writing styles and new ideas. When you read content on a wide variety of subjects, you simply gain more knowledge about the world that you can then incorporate into your writing. You also learn different writing styles, new words, and how to structure your writing more effectively just by taking in written words by other writers.