Igo-8.3.1.59883-pc-nav-n-go-to-install-and-use-a-laptop-multilingual.zip -

IGO 8 requires a GPS signal. Since your laptop lacks an internal GPS:

Laptops do not have built-in GPS chips like phones. To use this for real-time navigation: Plug in a USB or Bluetooth GPS "puck" (G-Mouse). IGO 8 requires a GPS signal