Select either Invite to Share My Screen or Ask to Share Screen as the case may be.

(This icon will be grayed out or absent if screen sharing isn’t available with this other account.)

Click the overlapping rectangles-the screen sharing icon.

Click the circled-i info button in the upper-right corner.Select a conversation or start a new one, and make sure iMessage is in use, per above.MacOS Big Sur made additional changes to its appearance, but it’s not far off from its location in macOS Mojave and Catalina. It’s also available only for one-to-one conversations. If their name or the messages are green, it’s regular SMS text messaging and screen sharing isn’t available. Or, when starting a new conversation, the person whose name you select as you type in a recipient is in blue text. You can check that iMessages is in use by either looking at a conversation and seeing blue bubbles for text messages. It also works only with people who use their iCloud account with Messages, which allows you communicate through Apple’s iMessage system. The feature has changed and migrated over time-it was once part of AOL Instant Messenger!-so you may not know that it’s tucked away in Messages. (At one point, it was easy to reach your Mac while outside your local network and access your screen, but then Apple removed Back to My Mac from macOS.) This has included a way to share your screen remotely with other people and let them share yours. For nearly 20 years, Apple has offered screen sharing as a basic feature in what was once OS X and is now macOS.

How to link text messages to macbook