Start your article with a very short introduction (1 sentence). Put yourself in the reader's place - why are they here? What should they do? edit edit2
Get straight to a quick list of steps to accomplish the task.
If you need to explain a concept, or they have to do pre-requisite steps, add a quick summary below the step where they need it, and link to the concept or steps.
Keep procedures short - preferably 5 or fewer steps, no more than 8.
Use Ui style for user interface elements or for text people need to enter.
Use the verbs choose, select, or enter as actions, and format menus as Menu > Command.
Optionally, add a screenshot for context (if UI is hard to locate, or it’s needed to complete the task).
Maximum width: 520 pixels. Use a standard theme, do not show any personal information, and crop to show only what's relevant.
If you want to add a video or screenshot, use a two-column grid and have the steps in the left and the video or screenshot in the right - see Steps and video grid example.
Target no more than 500 words for an article.