Microsoft Office setup has a wide range of products with different features.These versions include office setup 2016, office setup 365, office setup Home & Student and much more. For All these products you will need a Microsoft office account to access the full features of office setup. If you use services like Outlook, OneDrive, & Skype then you should definitely have a Microsoft account.
office.com/setup - Microsoft Office provides you a complete set of software which helps you to perform various tasks simultaneously. Every Office product’s subscription may include MS Word, MS Excel, MS Access and many other applications. The subscription of the product can be purchased online or offline from a retail store.