In order to get the Kindle for Mac app working again, you need to uninstall it. Simply uninstalling and reinstalling the app doesn’t work, so what should you do? There is a new workaround that will make Kindle for Mac function again. This problem is occurring on Intel and M1 processors. If you had the Amazon Kindle app for Mac installed on your MAC and upgraded to Big Sur, many users are reporting that it no longer works.