1 Sign in. Go to https://microsoft.com and click on 'Sign in'. 2 Sign in or make a new user account. 3 Click on your profile picture and click on 'view Microsoft account'. 4 Click on 'Services and subscriptions'. 5 Click on 'Instal Office'. 6 Run the download and Office will be installed. 7 Installing Office. The installation is complete. The installation is complete when you see: 'You're all set! Office is installed now'.