Realtek Rtl8188cu Wireless Lan 802.11n Driver Windows 10 64 Bit Jun 2026

Getting Your Realtek RTL8188CU Back Online in Windows 10 (64-Bit)

The driver installs but the adapter remains non‑functional; Device Manager shows a “Driver error” status. Solution:

(Reliable for basic tasks, but limited by hardware capabilities). Getting Your Realtek RTL8188CU Back Online in Windows

Realtek never released a dedicated “Windows 10 64-bit” driver for the 8188CU. Instead, the Windows 8.1 driver (which uses a later NDIS version) works. The official file is typically named: RTL8188CU_Windows_8.1_Driver_v1030.38.0420.2015.zip

Here’s a solid, reliable source for the driver for Windows 10 64-bit : Instead, the Windows 8

If you've recently upgraded or reinstalled Windows 10, you might find that your Realtek RTL8188CU Wireless LAN 802.11n adapter—a staple in many USB Wi-Fi dongles and older laptops—isn't behaving. Whether it’s not appearing in your network list or showing a "Code 10" error in Device Manager, getting the right driver is the first step to a stable connection.

Select the folder where you extracted the downloaded driver files and click . Select the folder where you extracted the downloaded

Before installing drivers, check if your device is actually being recognized:

After Windows 10 version 1607, Microsoft began strictly enforcing SHA-2 driver signing. The old Realtek drivers used SHA-1 certificates (expired or untrusted). On a clean 64-bit installation with Secure Boot enabled, Windows 10 will refuse to load the driver.

your computer and reinstall the driver using the steps in the section above. Fix 3: Use a Dedicated Third-Party Tool (Optional)

802.11n (Wi-Fi 4). It is backward compatible with 802.11b/g.