How to screenshare on a Mac computer, to make presentations and projects easier

You can screenshare from one Mac to another Mac easily using macOS X.
Once your screen is shared, there are numerous adjustments you can make to maximize the effectiveness of this tool.
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Macs allow Screen Sharing, which is a great tool for everything from collaborating on projects to troubleshooting a friend's computer.

The opportunity to either view or even scroll through a partner's computer is easy as long as permissions for Screen Sharing have been given.

If the Macs use the same iCloud account, it's especially easy to share. Once Screen Sharing is activated, the interface makes it easy to navigate.

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How to screenshare on a Mac computer

1. Click on the Apple symbol in the upper left corner.

2. Click on "System Preferences."

3. Click on "Sharing" in the middle row.

How to sharescreen on Mac Ryan Ariano/Business Insider

4. Check the box next to "Screen Sharing" in the column on the right.

5. Your computer will now be identifiable by other users on your network in their Finder.

6. On the other computer, open Finder. Your computer's name should show up in the sidebar in this example it shows up as "Ryan's MacBook Pro".

How to screenshare on Mac Ryan Ariano/Business Insider

7. You can also connect by using your Mac's vnc number. Whoever is looking to access your shared screen simply has to type in the number provided in your Screen Sharing screen, or "vnc://###.###.#.###/". Next, their Mac will ask if they want to turn on Screen Sharing.

8. Click on "Connect."

9. If you're both logged in using the same Apple ID, it will share automatically. If not, they will be asked to enter the username and the password for the Mac being shared.

How to edit your sharing display

1. Once you're sharing the other screen, Screen Sharing will show up in your Dock it will look like two square glass panels on top of each other.

2. Click on "Screen Sharing" if it's not already up.

3. Scroll down and click "Preferences."

4. The first setting you can adjust is size, which is relevant if the Macs are different sizes. Scale will make the shared screen fit the screen with which it's being shared. "Show full size" means it may reach beyond the boundaries.

5. The second setting has to do with scrolling. This may take some playing around with to figure out which is most efficient for your display. You can choose from the following settings:

Scroll when the cursor reaches an edge.
Scroll continuously with the cursor.
Scroll only when the scroll bars are adjusted.

How to screenshare on Mac Ryan Ariano/Business Insider

How to set your View options

1. Start a Screen Sharing session using the steps above.

2. In Screen Sharing options along the top, click "View."

3. You will now have several options:

Turn Scaling off (or on) so that you have the option to either have the shared screen fit your screen or display it full size, which may require scrolling to see the rest of the screen.
Switch to Observe mode and you will be able to see the shared screen, but not perform any tasks. This is usually ideal for sharing a presentation.
Control mode will allow you to control the shared screen.
Adaptive Quality is useful when the usage of multiple screens and connections slows down the interaction. Adaptive will adjust for slower networks.
Full Quality will display at a better resolution, but is only recommended when connected to a fast network.
Select Enter Full Screen to have the shared screen take over your display. To access the Toolbar, move your cursor to the top of the screen.