The HTC will be launching the 10 along with Sense 8.0 on April 12th. You don't have to wait that long to experience a bit of the UI. The wallpapers have already been pulled from Sense 8.0. The leak comes from Rom developer "LlabToLoFer". The walls are in QHD reslution and will fit most screens. Head to the link below for the download.
via Android Authority