In many cases, Marvell products are embedded on the motherboards. You will have to look for the drivers of your motherboard in order to download the necessary driver. However, there might be the possibility the driver is not yet released since Windows 10 was barely released. Use Google to look up for your motherboard.
Use CpuZ to identify the motherboard model: http://www.cpuid.com/softwares/cpu-z.html