How to install Office 365 Apps using portal.office.com

Open the URL (portal.office.com) and Sign in to your account.
As highlighted below, click on the "Install App" button seen on your right pane, and choose "Microsoft 365 apps".
Depending on your browser, select Run (in Microsoft Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).
If you see the User Account Control prompt that says, "Do you want to allow this app to make changes to your device?" select Yes.
The installation begins.

*The installation pop-up process might be different according to the version of Office 365.
Your installation is finished when you see the phrase, "You're all set! Office is installed now" and an animation plays to show you where to find Microsoft 365 applications on your computer. Select Close.