Right-click it and select > Browse my computer for drivers .
If you're unable to find the driver on the official Realtek website or prefer a simpler download process, you can try the following alternative sources: Wireless Usb Adapter Rtl19oct Driver Download
How to Download & Install the RTL8192EU / RTL8188EU Wireless USB Adapter Driver (Fix Connection Issues) Right-click it and select > Browse my computer for drivers