Log in to your WordPress Admin Account.
On the Dashboard, you will see the different menus on the left side of the page. Hover your mouse on Posts and click Add New.
A new page will load and you need to fill in now the details of the Post you are about to make.
Fill in the Title, Body, and also the SEO fields found on the lower portion of the page.
On the right side you will see the Categories options that you need to choose so to have your post organized.
If your post needs to have an image included, you need to go to Feature Image found on the lower right hand corner. Click Set Featured Image and you will then be directed to your media library.
If the image that you want to include in the article is not yet on your library, go to Upload files and hit Select Files button.
Once you have finished selecting, click Set Featured Image and you should be good to go.
Now that you are done with your post, you might as well want to preview that to see if there are still any changes that you need to do. Just click on Preview to do this.
If you are now satisfied with your post, you can now click the Publish button for the public to see that post on your website.