The Windows 10 April 2018 update is scheduled to begin its rollout on April 30. Its list of new features includes better voice recognition, Timeline to easily retrieve your content across devices, Focus Assist to get things done without distractions, various Microsoft Edge improvements, and more.
https://www.notebookcheck.net/Windows-10-April-2018-Update-coming-next-week.301480.0.html
The narrator sounds like the same person that does the podcast ad spots for Google...
Maybe both Microsoft and Google outsource this to the same company who's using the same voice in both cases...