Hi Hermann,
The Microsoft 365 Basic version allows you to use Office apps on the web, with Microsoft Onedrive space.
You can use MS Word from this link:
https://word.cloud.microsoft/?wdOrigin=OFFICECOM-WEB.REDIRECT
I hope you find this information useful. If you have any more questions, don't hesitate to reach out. Otherwise, please take a moment to accept the answer. Wishing you good luck!