The phone was officially released in 2015, May. If you want to connect your smartphone to a computer or flashing firmware on your device, then you need to download the required drivers for your smartphone.
Asus Zenfone 3 Max (ZC520TL) is a smartphone that made an entry in the market back in 2016, August. The phone include 13MP Primary camera with LED flash. If you want to connect your device to a computer, then you need to download the required drivers for your device. Here, you will find it by just following this guide.