As a student you have access to the Office-package during your study time. That package includes, amongst other things, Word, Excel and PowerPoint.
1. The package is available via App Store
2. Download and install the package from App Store (each program must be downloaded separately)
3. When the installation is finished you can start one of the programs (ex Word) by clicking on Login
4. Use your Umufirstname.lastname@example.org as a login.