You need to have a product activation code or key. Without an Office product key, you cannot log in to access the Office applications. Hence it is required to run the applications without interruptions. If you have purchased the Microsoft office suite online via office.com/setup then you will get the product key in the inbox. However, if you have purchased the Office suite from a retail shop then you have to ask for a retail card on which you get the Office product key.
Microsoft, a multinational technological corporation, is one of the most famous technology giants in the world. It manufactures the complete suite of Microsoft software which stars a variety of applications, servers and services like MS Word, Publisher, PowerPoint, Excel, Access, Visio and OneNote. These are Microsoft's essential applications which are used in almost every work environment today.
To get your copy of MS Office, you need to go to www.office.com/setup