The Acer Extensa 2508 laptop came with two options for its Bluetooth driver and wireless driver. These would either be an Atheros or Broadcom driver. All these drivers had been released in December 2014 and are the latest drivers from Acer for this laptop.
Note that these drivers are for the Windows 8.1 64-bit being both the wireless driver as well as the Bluetooth driver for the laptop. You can search this website for more drivers from Broadcom such as the basic Broadcom wireless driver. Also take note that these drivers are directly from the Acer global download software website mirror as listed below. If you dont know what you have in your computer then check your hardware first before you download the files as they are very large. Note that the the Windows 10 drivers are generic for the equipment and are not specifically for the Acer Extensa 2508 wireless adapter.
Atheros – Bluetooth Driver : 18.104.22.1688 (Windows 8.1 / 64bit)
Atheros – Bluetooth Driver : 10.0.0.321 (Windows 10 /64bit)
Broadcom – Bluetooth Driver : 22.214.171.12490 (Windows 8.1 / 64bit)
Broadcom – Bluetooth Driver : 126.96.36.1990 (Windows 10 / 64 bit)
Wireless LAN Driver
Atheros – Wireless LAN Driver : 10.0.0.288 (Windows 8.1 /64bit)
Atheros – Wireless LAN Driver : 10.0.0321 (Windows 10 / 64bit)
Broadcom – Wireless LAN Driver : 188.8.131.5290 (Windows 8.1 / 64bit)
Broadcom – Wireless LAN Driver 7.35.267.0 (Windows 10 / 64 bit)