Downloading a Microsoft Office 365 ISO (technically provided as an .img file) is the best way to install the suite on multiple computers without wasting bandwidth or to set up devices with limited internet access.
: Go to Microsoft's Services & subscriptions page and log in with your associated Microsoft account. office 365 download iso
Example for Microsoft 365 Apps for enterprise (English) – Semi-Annual Enterprise Channel : Downloading a Microsoft Office 365 ISO (technically provided