To activate the Microsoft Office 365 trial, you need a Microsoft account and an international payment card.
Activate the Microsoft Office 365 trial as follows:
1. Create an account or log in with a Microsoft account here.
2. Provide payment information to enable future monthly payments. International credit cards and PayPal (in some markets) are both accepted.
3. Fees will be automatically charged through the provided payment method at the end of the first free month to ensure uninterrupted service.
You can cancel online without any penalties before the trial period ends by accessing www.office.com/myaccount and turning off auto-renewal in the billing and payment area.
4. Once your payment method is confirmed, you will be redirected to www.office.com/myaccount to set up Office.
>>> How can I cancel the trial version before it expires?