Visit your browser store to install the Cash Back Button. For Chrome and Safari, follow the additional steps to make sure the Button is added to your browser’s toolbar.
After installing the Button, select the puzzle piece icon in the upper-right corner to open your Extensions. Select the pin icon next to the Rakuten extension. You’ll now see it in your browser’s toolbar.
After installing the button, select Safari at the left of the top menu bar. Select Preferences and go to the Extensions tab. From the menu on the left, check the box next to Rakuten Cash Back to enable it.