Use Dictation on Mac (Mac Help)

“You can customize the key combination you press to start or stop Dictation.” (Set the Dictation keyboard shortcut)

“Note: When you choose a Dictation keyboard shortcut, depending on your Mac model, the “Press fn key to” or “Press key to” option in Keyboard settings may change automatically.” (Dictate text, Note)

“if you choose Press Fn (Function) Key Twice as the Dictation Shortcut option, the Keyboard settings option changes to Start Dictation (Press Fn Twice) automatically” (Dictate text, note on the Dictation keyboard shortcut)

“Ambiguous text is underlined in blue. For example, you may get the result “flour” when you intended the word “flower.”” (Correct dictated text)

“In an app on your Mac, place the insertion point where you want to enter text.” (Dictate text)

“then see the text below Dictation (Dictation must be enabled)” (Dictate messages and documents on Mac (Keyboard section))

“To create a shortcut that’s not in the list, choose Customize, then press the keys you want to use. For example, you could press Option-Z.” (Dictate text, Shortcut)

“composing messages and notes, but not dictating in a search box” (Dictate messages and documents on Mac, note on Keyboard settings)

“The microphone source in Keyboard settings shows which device your Mac is currently using to listen for Dictation.” (Dictation microphone source section)

“click Keyboard in the sidebar (you may need to scroll down)” (Dictate in another language)

“With Dictation, you can speak to enter text anywhere you can type it.” (Dictate messages and documents on Mac, opening line)

“You can dictate text of any length without a timeout.” (Dictate text)

“Dictation is not available in all languages or regions, and features may vary.” (Dictate messages and documents on Mac, languages)

“You can check Keyboard settings to see whether your voice inputs and transcripts for general text Dictation (for example, composing messages and notes, but not dictating in a search box) are processed on your device and not sent to Siri servers.” (Note under the introduction)

“Press the Microphone key if available in the row of function keys on your Mac, use the Dictation keyboard shortcut” (Dictate text)

“On your Mac, choose Apple menu > System Settings, then click Keyboard in the sidebar. ... Go to Dictation, then turn it on or off. If you turned on Dictation, click Enable.” (Turn Dictation on or off)

“When Voice Control is on, you use Voice Control to dictate text; standard macOS Dictation isn’t available.” (Introduction)