We'll show you how to use Google Docs to transcribe your voice. All you need to do is enable the feature, and then you'll be able to simply talk, and Google Docs will convert it to text.
While speech recognition isn't perfect, it is possible to correct errors. You can right-click underlined words to select a suggested change, and you can even use voice commands to make changes. In the video, we'll go over some basic voice commands you can use.