Go to tab Office 365
Click button named send and wait up to 24 hours for your account
After maximum of 24 hours you should your login credentials should appear
After the account is created and activated, you need to log in onto https://www.office.com with the login and password from Student's Portal/Office 365 and change the password.
To install Office 365 on your device please follow the instruction: Instrukcja instalacji i logowania dla studentów.
Resetting password to the service is available through Student's Portal, under the tab Office 365:
After clicking button [ reset password ] you should see a password is being resetted
After 2-5 minutes you should see your new temporary password.
This could require refreshing the page, but it is best to go to another tab and come back, since some browsers send the form again and the whole resetting procedure starts anew.
Temporary password is valid for 90 days.
After obtaining new temporary password go to https://www.office.com and put in your login and new temporary password then change your password as prompted.