To install microsoft office, first you need create office account at www.office.com/setup and then download office suite after providing product key. This code is mandatory to activate its product hassle free. The MS Office product key can be redeemed via either the subscribed email address or via the text message as received from the subscribed contact number. To redeem it through the offline mode, the Microsoft Office Retail store will give you a package which will have the purchased Office product and the product key for it.
You can setup office on your mobile phones, laptops, and PCs, after which you can send all the files and documents created on the connected devices as there is no need to create a new file every time. There are many utilities that Microsoft has to offer to its users.