2 Best Ways to Update Realtek 802.11 N WLAN Adapter Driver in Windows 10 & 7 64 bit Whether the issue is related to an outdated, corrupt, problematic Realtek wireless LAN driver or a Realtek Wi-Fi driver that has stopped working, try updating the LAN driver to fix the 802.11 N WLAN driver issue Windows 7 32 bit. However, if you already have the driver but it is outdated, the post will discuss the best ways to download, install, and update the 802.11 N (Realtek Wi-Fi) driver on your Windows 10 64-bit and Windows 7 32-bit and 64-bit. Quick Tip- If you don’t have the generic driver, you can install it from the official website by clicking here.