The Broadcom BCM4330 Wireless Driver below is a Windows 7 and Windows 8 driver. You can find other Broadcom drivers here. This driver was brought out by Lenova computers however it will work on any computer as the adapter hardware is the same.
Check your hardware to ensure that you have a Broadcom BCM 4330 adapter in your computer. As stated above this is a Windows 7 and Windows 8 driver for any computer. If you are not sure which adapter you have in your computer then you will need to download Speccy which will check your hardware for you and tell you if your have this adapter in your computer.