Ensure the device is connected to the computer via cable, cradle, or Bluetooth.
Open Windows Mobile Device Center (ActiveSync). From the Windows desktop, click Start > All Programs > Windows Mobile Device Center (ActiveSync). With Windows 10, click Start > Apps icon (located in the top-left corner) > All apps (located in the bottom-left corner) > Windows Mobile Device Center (ActiveSync).
Navigate Programs and Services > more > Add/Remove Programs. Using ActiveSync, from the top menu, click Tools > Add/Remove Programs.
Ensure the desired app(s) is (are) selected then click OK.
Check the mobile device for additional instructions.
For additional support with a third-party app, contact the creator/developer of the software.