K3 Note by Lenovo is build by Mediatek 6572 chipset and amazingly it is powerful smartphone at this time. If you want to root or flash custom recovery or want to perform others adb command with in pc here is usb drivers as well as adb drivers for PC.
Download Lenovo K3 Note MTK 6572 USB ADB Drivers
PdaNet minimum system requirements:
1. Any Android phone
2. Windows 8.1/8/7/XP/Vista
Other useful K3 Note links: