First, go to our Knights of Fantasy official website, please tap on: http://pc-kf.plusfuns.com/
You can see GIFT on the upper right side corner of the page, tap on GET and then tap on COPY to copy code.
After copying the gift code, you need to login game to claim the pack!
Tap on Main City to find “CD Key Code” button.
Tap on the button and paste gift code to claim the pack.
Then you need to claim the rewards in your mail box.
Thank you for support Our Knights of Fantasy!