Go to https://www.office.com/?omkt=en-EN, where you can download the latest Office applications (Word, Excel, etc.), and launch the Teams website, from where you can connect to your computer, mobile, and a tablet version is also available.
You can log in with your account, which is the following:
ID: Neptuncode@tpfk.hu (f.e. AB2DEF@tpfk.hu)
Password: TitokYYYY (Titok is a hungarian word meaning „Secret”,