Click the Apple menu. It's at the top-left corner of the screen.

Click System Preferences.

Click Keyboard.

Click Dictation. It's one of the tabs at the top of the window.

Select 'On' next to 'Dictation.' Clicking the circle will turn it blue and add a white dot at its center.

Check the box next to 'Use Enhanced Dictation.' This allows you to use dictation offline, as well as continuous dictation with live feedback.[1]

Click the red circle to close the Keyboard window.

Press Fn twice. Now you'll see a window with a microphone icon. Dictation is now active and ready to use. This is the dictation window.

Open Word. You'll usually find in the Applications folder or on the Launchpad.

Click the document where you want the text to appear.

Start talking. As you speak, your words will appear in the Word document.