From the list below, click the Operating System that is installed on the newest of your computers.
Note: If you are on another computer and must know what Operating System is installed on the computer you are trying to set-up a wireless network, press and hold the Windows Logo key
![Windows Button Windows Button](https://supportkb.dell.com/img/ka02R000000hc40QAA/ka02R000000hc40QAA_en_US_29.jpeg)
then press the pause or break key (on laptops it may necessary to press and hold the FN key before pressing the pause or break key). The System Properties window opens, and the Operating System is listed.
Many laptops do not have a Pause or Break key. You can substitute the Pause or Break key by the following key combinations. You may have try both to find out which is appropriate for your computer.
- Press and hold the Fn key, and then press the b key.
- Press and hold the Ctrl key, then press and hold the Fn key, and then press the b key.