error copying "D:/content/byki_vocabulary" to "C:/ProgramData/Learn It Now/Spanish/content/byki_vocabulary"

Please perform these following installations steps below :
Press the orb Windows start button on the lower left corner of the screen and begin typing Disk Cleanup then press Enter, mark all check boxes and select to delete all files, then go to folder with the completely downloaded Learn It Now™ setup file and click on top of it with the right mouse button then select Run as administrator.
The program should install successfully.