Go to m365.cloud.microsoft/apps and log in with your Microsoft account.

If you do not see the "Offline installer" toggle in your portal (common for certain Business Basic plans), you can use the Microsoft Office Deployment Tool. This is a command-line tool that downloads the ISO to your local network.

Go to the Microsoft Download Center: Download the Office Deployment Tool for Click-to-Run

to download the installation files for offline deployment across a network. www.stephen-scotter.net Key Considerations for Offline Use Initial Activation