You are able to download M365 Apps for business package to your personal / home office computer.
Log into your M365 portal dashboard on https://www.microsoft365.com/
When you are on the home screen on the lest you can find "Install and more" button. Click on it and then continue with "Install Microsoft 365 apps" option.
In new window select "Apps & devices" and they you can see Install Office option.
Before downloading the installer you can adjust your Language preferences.
After the installation you will be prompted with log in window, enter your credentials in "username@nonstopconsulting.com" format and authenticate yourself via MFA app.