In most cases, Office is activated once you start Buy Office Home and Business 2016 application and after you OriginLab OriginPro 2016 discount Accept to agree to the Microsoft Office License Agreement. 20016 Expand Hom Collapse all. You should also connect to the Internet regularly Businews keep your version of Office up to date and benefit from automatic upgrades. Microsoft plans include premium versions of these applications plus other services that are enabled over the Internet, including online storage with OneDrive and Skype minutes for home use. As you recall with Option 1 I got "Product Key is already in use" tilt. Third-party seller : You bought Office from a third-party and you're having problems with the product key. How to install Office. Once they have accepted and completed the steps, their information, including the installs they are using, will appear on your My Account page. See options for enterprise. Expand your Office skills. If you're purchasing physical disc, the disc will include both versions which you can select at time of installation.