http://global-download.acer.com/GDFiles/Applicatio n/LaunchManager/LaunchManager_Dritek_2.1.1.218_W7x 64_A.zip?acerid=634169429563751924&Step1=Notebook& Step2=E%20Series&Step3=E728&OS=721&LC=en&BC=eMachi nes&SC=EMEA_7E