To set up the Microsoft Office account on your Windows computer, you can visit the office.com/setup web page. This website lets the users sign in and activate their product key for the Microsoft account. Once you have entered the product key, you can download Microsoft Office on your PC and complete the setup process. However, before you do that, make sure that you have an active internet connection and your device meets the minimum system requirements to run the Microsoft Office. In case you have a doubt or confusion, do not hesitate to contact the Microsoft Office expert for professional advice.