Hello -- FOR WINDOWS/LINUX USERS: METHOD #1 (Will Use Windows OS): 1. Watch this video on how to use Commview and AirCrack-NG to crack WEP/WPA/WPA2/WPS passwords on Windows OS: https://www.youtube.com/watch?v=4S0WMMpXoDo NOTE: If you cannot locate your wireless adapter on the Backtrack OS, you will need to purchase a WiFi adapter that supports packet monitoring/injection: http://www.amazon.com/Medialink-150Mbps-Wireless-USB-Adapter/dp/B002RM08RE/ METHOD #2 (Will Use Backtrack 5 OS - MUCH faster than METHOD #1): 1. Download Backtrack 5 R3 from the following site: http://www.backtrack-linux.org/downloads/ 2. Download VMWare Player from the following site: http://www.vmware.com/products/player/ 3. Videos are always better to understand, so watch this video: http://www.youtube.com/watch?v=Edbl39ki4cA 4. Watch this video on how to use a certain application of Backtrack 5 R3 (Gerix WiFi Cracker) to crack WEP passwords. https://www.youtube.com/watch?v=e0udwPoUR9k 5. Watch this video on how to use a 3rd-party application "Reaver" to crack WPA/WPA2/WPS passwords: http://www.youtube.com/watch?v=0Fs_hRuRZ8U NOTE: If you cannot locate your wireless adapter on the Backtrack OS, you will need to purchase a WiFi adapter that supports packet monitoring/injection: http://www.amazon.com/Medialink-150Mbps-Wireless-USB-Adapter/dp/B002RM08RE/ FOR MACINTOSH OSX USERS: 1. Download kisMAC from the following site: http://kismac-ng.org/ 2. Watch this video on how to crack WEP passwords with kisMAC: http://www.youtube.com/watch?v=MZRWWRk50JA ADDITIONAL INFORMATION: Here's an excellent resource for WPA/WPA2 word lists: https://crackstation.net/buy-crackstation-wordlist-password-cracking-dictionary.htm If you're having difficulties cracking WPA/WPA2 WiFi networks, here is a paid cracking service: http://skidhacker.com/wpacrack.html Thanks so much, and if you have ANY questions, feel free to message me.