While sharing a screen, the Mac uses a “Screen Sharing” app that has its own set of preferences. As seen below, those preferences provide a way to not only scale the screen like the Scaling button does, but also to change the quality of the remote Mac’s image and allow or block other users who may want to share the Mac’s screen.

Sharing your screen or content. Click the Share Screen button located in your meeting controls. Select one of these screen share options: Basic: Share your entire desktop, specific application window, whiteboard, or iPhone/iPad screen. Advanced. Portion of Screen: Share a portion of your screen represented by a green border. screen sharing software. Quick & Easy Sharing. Click the "Share your screen now!" button above to start sharing your screen. Installation-Free Viewing. View from any device with a browser (including PCs, Macs, tablets, and smartphones) without installing any software. Frictionless Collaboration Apple Remote Desktop gives you screen-sharing and text-messaging capabilities, along with a wide range of powerful remote assistance tools. Thanks to screen sharing, you can observe 1, 10, even 50 screens in action simultaneously, allowing you to closely monitor your network. Connect to the computer over a local area network or over the Internet. Use the Screen Sharing application to connect to a remote Mac computer. Screen Sharing is New screen-sharing software Screen brings remarkably good collaboration tools that will slot into your company's workflow startlingly easily, and let you work with colleagues on their screens or Tip: Screen share with multiple Macs behind a router. In order to start a screen sharing session with a computer behind a router, a simple port-forwarding setup that will route screen-sharing Jan 19, 2019 · 🔥Remotely Control Any Mac With Screen Sharing!🔥Remote Mac Desktop with Remote Mac Access! How to Remotely Control Your iMac with Your Macbook from ANY Internet Apple Remote Desktop

Jun 07, 2017 · First, click on the Apple icon that is present in the menu bar at the top of the Mac screen. Then, select the system preferences and click Sharing. Step 2. Select the screen sharing checkbox to for Mac remote screen sharing over Internet on your Mac.

To share your Mac with someone else, download a remote Virtual Network Computing (VNC) app like Jump Desktop. With full remote access and Mac remote control, the other person — or yourself connecting to another Mac — can have the same level of control as the person using that device. Except for Admin level access, since it's password protected. To enable Screen Sharing, go to the Sharing system preferences, enable the Screen Sharing service, and ensure that your user account is allowed access. By default only administrators are given

Obviously, your friend is going to need a Mac to see the screen you’re sharing. If he doesn’t have one, then I suggest trying one of the alternatives below. If he does, make sure screen sharing is enabled in Messages by going to the Video menu and looking for “Screen Sharing Enabled”. If it says “Disabled”, click it.