If you already have a , you can pre-install Office on a USB drive using the official deployment tool :
Just because you cannot run official Word from a USB drive does not mean you cannot edit Word documents on any computer. Here are six legal, secure, and highly effective alternatives. Microsoft Word Portable Download
You don’t need to download anything. Just sign in to your Microsoft Account from any browser. If you already have a , you can
Here is the optimal workflow for users who need to edit Word documents on any PC breaking the law or risking malware. Just sign in to your Microsoft Account from any browser
If you ignore the warning above and search third-party websites (PortableApps.com variants, torrent sites, or random file repositories), you will find dozens of links claiming: “Microsoft Word 2021 Portable” or “Word 2016 USB Ready.”