Which version of Microsoft Office is free?

This is what I found on the internet that I hope will help you! :3

Explanation:

It's a free app that will be preinstalled with Windows 10, and you don't need an Office 365 subscription to use it. The existing My Office app has many of these features, but the new Office app puts the focus on the free online versions of Office if you're not an Office 365 subscriber.

ok that sounds like a app that my brother would like