This is the Broadcom BCM 5704 driver for Windows. Note that there is a 32bit as well as a 64bit version of the driver. also note that the driver will install on certain operating systems as listed below. The driver was updated in July 2016.
This is a generic driver for the Broadcom Wireless 802.11b/g Adapter. Many companies use the Broadcom adapter under different names but it is the most commonly used wireless adapter on the market and more likely than not you are using one.