To use MacBook trackpad handwriting, you must first enable it in System Preferences. Follow these steps:
Click the Apple menu in the top-left corner of the screen and select "System Preferences."
In the System Preferences window, click on "Trackpad."
Click on the "Point & Click" tab at the top.
Under the "Trackpad Handwriting" section, check the box next to "Enable Trackpad Handwriting."
Once Trackpad Handwriting is enabled, you can start using it in any app on your Mac. To do this, follow these steps:
Click where you want the characters to appear in a document (so you see the insertion point).
To open the Trackpad Handwriting window, click the Input menu in the menu bar and choose the Handwriting input source you added, or press Control-Shift-Space bar.
If your Mac has a Touch Bar, and you customized the Control Strip by adding the Handwriting button , tap the button to open the Trackpad Handwriting window.
Use your finger to draw a character or a punctuation symbol on the trackpad.
As you draw, the Trackpad Handwriting window will show you a list of possible characters. To select a character, click it in the list.
To continue writing, simply draw the next character on the trackpad.
When you're finished writing, close the Trackpad Handwriting window by clicking the Close button in the top-left corner.
Here are some tips for using Trackpad Handwriting:
Draw characters slowly and carefully. The Trackpad Handwriting feature is more accurate if you draw characters at a moderate pace.
Use your whole finger to draw characters. This will help the Trackpad Handwriting feature to recognize them more accurately.
If you make a mistake, you can delete the character by drawing a backspace symbol on the trackpad.
To change the language of the Trackpad Handwriting feature, click the Input menu in the menu bar and choose a different language.
Trackpad Handwriting is a convenient way to enter text on your Mac, especially if you're using a language that uses a complex writing system, such as Chinese or Japanese.