If you’re still stuck, search your exact dongle model + “driver” on Reddit or tech forums – others have likely solved the same problem.
– Check the Ranz official website (if available) or the retailer’s support page. Often, drivers are hidden in a “Downloads” or “Support” section. Ranz Wifi Usb Dongle Driver Download
The driver is often built into the kernel. If not, install via terminal (example for Realtek chipsets): If you’re still stuck, search your exact dongle