Office 365 by Microsoft provides a complete package of services including Word, PowerPoint Excel Excel, One Note, Excel and many other tools. All these services can be bought together under the Home or Business categories. Mobile Office apps can be downloaded for free. It doesn’t cost anything to download it for your desktop. Sometimes Microsoft Office will not install. Depending on which OS you have (Windows or Mac), the Microsoft Store can help you search for the Microsoft Office 365 package. Visit the Microsoft website Www.office.com/setup.