1. Log in to the WordPress dashboard.

2. From the Dashboard menu, go to Posts and click on Add New.

3. Then, enter your chosen post title and write your blog post.

4.  Navigate to the "Post" tab, and then select "Tags." Type the relevant tags related to the post, and press the Enter key. You can add multiple tags as needed.

5. Select the appropriate one or click on Add New Category on the Categories field.

6. Now, at the top side, find Publish and click on it two times.