If you have Office With Your Office 365 Subscription this is how to get it!
Click Office 365 Settings
Choose Your Language and install
TIP: You may use this link; https://portal.office.com/OLS/MySoftware.aspx
In Your DNS CNAME or simply put it on a webpage or in a LMS or in a Social media.
That link will take the user directly to his software (he/she would have to log in first With their Office 365 ID)