Claude acts on your screen, it does not just look at it
After this, you'll be able to explain that Computer Use executes real actions on your screen, distinguish it from Claude analyzing a screenshot, and understand why that distinction matters for trust.
Before you start
Complete Desktop settings: what every setting does and when to change it first; this lesson builds on having Cowork configured, because Computer Use runs inside the Cowork context you just set up.
The idea
Computer Use is Claude actually moving your mouse, typing in apps, and clicking buttons in real time, not a suggestion of where you should click. Many people assume it just reads a screenshot and advises you, but it does not. It moves the cursor, types the field, and presses the button while you watch.

The access fact, because this trips people up: Computer Use is a research preview on the Pro and Max plans only, so its behavior can still change. A free plan will not show it, and Team and Enterprise plans do not have access to it either.
Because the actions are real, you stay in control: you see every step as it happens and can stop it at any moment. Trust matters precisely here, an incorrect click is a real click, not advice you can ignore.
Here is the before and after: Wrong model: "Claude tells me, step by step, where to click to export this file." Right model: "Claude moves my mouse to the File menu, clicks Export, chooses the format, and saves, while I watch." The first is advice, the second is action.
Now try it: do not run anything yet. In Cowork, ask Claude to describe exactly what it would do to export a document to PDF. Read its plan and notice every step is a physical action (move, click, type), not a tip for you to follow.
The difference between "tells you what to click" and "does the clicking" is the whole feature, and it is the part people get wrong.
Try it (9 min)
Watch out for
Paste this into Claude
I want to understand Computer Use correctly before I ever turn it on. I have heard it described as "Claude can see your screen" and I am not sure that is accurate. Please answer in plain English: 1. When Computer Use runs, what physical actions does Claude actually take on my computer? 2. How is that different from Claude looking at a screenshot and suggesting where I should click? 3. Why does that difference matter for trust and safety? What can go wrong when Claude acts, that cannot go wrong when it only suggests? 4. How do I stay in control while it is running? Keep each answer to 2-3 sentences. Be blunt, I want the accurate version, not the reassuring one.
What good looks like
When this breaks
AI can help with this
In Cowork, type: 'Describe, action by action, exactly what you would do to export the document currently open on my screen as a PDF. Do not do it yet, just list every mouse move and click so I can see it is real action, not advice.'

You can now
You can complete the lesson outcome in a real Claude chat, Project, Artifact, Connector, Desktop, or Code surface.
Key takeaways
Computer Use does not look at your screen and advise you. It moves the mouse, types, and clicks for real, in real time, while you watch. That distinction is the entire feature and the source of every trust question.