Default Need 64Bit Driver for GoTab 467

Hello, i have buy for my Child a GoTab 467 (9,7") for 100 Euro (Amazon Warehouse) but nur i make it on and the internal Space are 0 MB free from 0MB . I cant install a app or another stuff . I have download me the Firmware from Homepage and i need the Driver for allwinner a8 64 Bit.

Please Help fast, my Child make me Crazy :S

When i send it Back to Amazon, i wust pay 300 euro not 100 ....

Thanks for answer