This article explains how to use Windows 10's text-to-speech feature.
how text to speech works in windows 10 – Howtosolveit
Windows 10’s text-to-speech option is called Narrator. It’s accessible through Ease of Access settings and a keyboard shortcut.
Narrator is a screen reader designed for the visually impaired, but anyone can use it to give their eyes a rest. Its text-to-speech features help you navigate apps and web pages. For example, it can read entire web pages and spreadsheet tables aloud, and describe formatting features like fonts and font colors to help you with any content.
Here are some of the key features of Narrator: