If Windows cannot find it, download the driver manually and choose to point to the extracted folder. Open your terminal.
If you have searched for the keyword "Realtek 8188gu Wireless LAN 802.11n USB NIC driver," you may have noticed a lack of official support pages. This is because Realtek manufactures the chips and sells them to device manufacturers (like TP-Link, EDIMAX, or generic brands). It is the responsibility of the device manufacturer to provide the driver to the end user. realtek 8188gu wireless lan 802.11n usb nic driver
While the hardware is physically capable of providing basic internet browsing and email, its aging driver stack and lack of 5 GHz support mean it has been relegated to the role of a legacy rescue adapter. If you have one lying in a drawer, use this guide to get it running. If you are buying new, spend $5 more for a modern chipset. If Windows cannot find it, download the driver