Right-click the adapter and select Update Driver Software .
The installation process usually follows one of two paths depending on the file format: Broadcom 802.11n driver - HP Support Community - 5890998
However, the reference to "11" often relates to the used by specific laptop manufacturers (such as HP or Lenovo) in their support documentation. For example, HP might release a Wireless LAN Driver version "11.0.0.xxx" which is actually a wrapper for the Broadcom chipset.