Adding images is relatively easy using the image upload feature in the post or page editor.
Adding Images to Posts & Pages
First have your cursor set at the spot in your post, or page, where you want the image to appear. Following the steps below will paste the image code at that spot in your editor.
Click the “Add an Image” icon in the Add Media section above the editor buttons.
Then drag here or browse for your image file on your computer and hit the upload button.