Go to portal.office365.com in your preferred web browser

Sign with your work email account

Click the Install Office Button and then select Office 365 Apps

Your browser will download the installer file. Once complete, click the file and it should open.

Office will then install along with all its appropriate applications; Word, Excel, Outlook, PowerPoint etc.

Allow the installation to complete. Once it has finished, you can access the applications by searching for them in the Start Menu.
