Are you using Office 365 for the first time?
Then create a new account at: http://redeem.microsoft.com/
It is important to renew Office 365 with the correct Microsoft account. You can renew with the account with which Office 365 was activated / installed in the past. You can find the correct account by doing the following:
- Start Microsoft Word and open a blank document
- Click on File
- Click on Account
- Your Microsoft account is in the right column under “belongs to”.