You should see a Wi-Fi card listed, perhaps with IEEE 802.11ac (Wi-Fi 5) or IEEE 802.11n (Wi-Fi 4) next to it. Mac: Click the Apple logo at the top left, choose About This Mac, and then System Report.

Quality Wi-Fi is something that we take for granted if we have it, and curse the day when we don't. But when looking for the best Wi-Fi adapter for your computer, there's a ton of information to ...

Check the specifications for your PC to see if it came with a built-in Wi-Fi adapter. In Windows 8 you can quickly see if your computer has Wi-Fi by clicking the Settings charm in the desktop sidebar.