amd usb drivers for E1-7010

Hi Everyone,  I have an Acer XC-230 tower which came with Windows 10. I have since installed Windows 8.1. The processor is an AMD E1-7010 dual core. I have managed to find most of the

 

drivers, the only ones I cannot find are the usb drivers. If  someone could help it would be very appreciated. I am running  32 bit Windows.