Windows 11 usually installs Wi-Fi drivers through Windows Update, but a clean installation or hardware problem can require a manufacturer driver. Download drivers only for the exact PC or wireless adapter model.
Identify the adapter
Open Device Manager and expand Network adapters. If the driver is missing, an Unknown device may appear; use the PC model or hardware IDs to identify it.
Get the driver from a trusted source
For a laptop or branded desktop, start with the manufacturer’s support page. For a separately installed adapter, use the adapter/chipset vendor’s official site. Avoid third-party driver-download sites.
Install the package
Run the manufacturer’s installer, or in Device Manager choose Update driver and point Windows to the extracted driver folder when the package provides INF files.
Restart and test
Restart if requested, confirm the Wi-Fi adapter appears normally, then connect to a known network. If no networks appear, check airplane mode, hardware radio controls, WLAN service status, and antenna/hardware issues.
If you must download the driver on another device, copy it with a USB drive. Do not disable Windows security controls to run an unsigned driver from an unknown source.
Keep an offline copy for future recovery
Once you find the correct Wi-Fi driver, keep a copy with the PC’s recovery files. After a future clean Windows installation, having the network driver locally can be useful when the machine cannot yet reach Windows Update.

Kermit Matthews is a freelance writer based in Philadelphia, Pennsylvania with more than a decade of experience writing technology guides. He has a Bachelor’s and Master’s degree in Computer Science and has spent much of his professional career in IT management.
He specializes in writing content about iPhones, Android devices, Microsoft Office, and many other popular applications and devices.