You might see an editor like below when you try to create a new post by clicking on Write > Write Post or Write > Write Page.

If you want to change above editor to a more advance and user friendly editor. Click on Plugins menu from your menu bar.

After clicking above option you will see a screen like below.

From this screen click on Activate for Plugin TinyMCE-Wordpress. After activating this plugin click on Write button from your menu bar and you ll see a new much advance editor like one below:

Hope this turual was of some help.

convert this post to pdf.