Learn how to uninstall an app on your HTC One. If you no longer need an app that you've downloaded and installed, you can easily uninstall it.
Note: Most of the preloaded apps cannot be uninstalled.
From the All apps view, press and hold the app you want to remove, and then drag it to Uninstall.
If you purchased an app in Play Store, you can uninstall it for a refund within a limited time. To know more about the refund policy for paid apps, refer to the Google Play help.