A family of Microsoft word processing software products for creating web, email, and print documents.
If you do not have an Office licence or Microsoft 365 subscription, and if your education facility do not provide students with an Office licence, the only option available is to use the free version of the Office apps in a web browser.
Word:
https://www.microsoft.com/microsoft-365/word
Excel:
https://www.microsoft.com/microsoft-365/excel
PowerPoint: