Press Windows logo key+Ctrl+S. The Set up Speech Recognition wizard window opens with an introduction on the Welcome to Speech Recognition page. Tip: If you've already set up speech recognition, pressing Windows logo key+Ctrl+S opens speech recognition and you're ready to use it.
What is the shortcut key for speech recognition?
Using speech-to-text once it is enabled on your PC
Place the cursor where you want to enter text. Press the Windows key + H keys to open the speech recognition tool. Hit the mic button and start talking.