How to Install Intel Wifi Firmware Gnu/Linux Distros
GNU/Linux Intel Wi-fi Firmware Setup – Step-by-step Guide
Hi! The Tutorial shows you Step-by-step How to Update Intel Wireless Firmware in GNU/Linux Distributions.
Especially relevant: the Intel WiFi Devices Drivers should be part of the Linux Kernel. But in case to Upgrade it see: New Kernel Installation Guide.
In any case the Guides shows you How to Setup the Intel Wifi Firmware Manually.