how to i get free data

If you are missing data for a month, you can ask other members for help. That said, normally you should also give occasionally!

https://fizz.ca/en/faq/what-is-data-gifting-and-how-does-it-work

There is an area in this forum for that :

https://forum.fizz.ca/en/categories/data-gifting

and very active groups on Facebook (just search for Fizz on Facebook...).

Otherwise, there is the my rewards program which allows you to obtain bonuses and gifts.

https://fizz.ca/en/rewards-program