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I'm trying to connect to my friends wireless network, but we don't know the password (ie. network/WEP/WPA key). The WLAN is secured by WPA2.

My friend's laptop with Windows 7 connects automatically to the WLAN. Is there a way to get the password from his laptop?

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up vote 5 down vote accepted

WirelessKeyView from Nirsoft should do the trick.

However, AVG (antivirus) flags it up as spyware/adware. Not sure if it is or not but just thought you may like to know...

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It isn't spyware but is likely flagged as such because allowing this program to run on a coporate system can be a security vulnerability. –  ultrasawblade Aug 1 '11 at 18:22
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Reference Here Here is some simple steps On your wifi-icon right click -> Open Network and Sharing Center -> from right tab chose Manage Wireless network -> a list of all devises will occur there . To whom you want to know the password right click on that and go to properties window and chose Security Tab and the Check the box of Show Characters. That is your password

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http://www.thewindowsplanet.com/939/how-to-recover-wi-fi-network-key-in-windows-7.htm

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For some reason the "Show characters" box was disabled (ie. I couldn't click it). Perhaps I didn't have the privileges, although I believe it was an admin account. –  wlanwanna Jul 7 '10 at 8:59
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