Windows remembers every Wi-Fi password you've used. So it connects back to those networks without having to enter codes again.
Here's how to view your saved password on any network you're connected to on computer from Windows.
Download it WirelessKeyView of NirSoft
You can view saved passwords with the built-in toolbar orders on Windows, but we recommend NirSoft's free WirelessKeyView app.
It is a lightweight tool which you don't even need to install to use.
Simply you download it. Open the ZIP file and double-click the included EXE file (if you have hidden file extensions, open the "WirelessKeyView" file).
Below is a list of saved network names and passwords stored in Windows.
update: Some preletterantiviruses may report that WirelessKeyView is malware. The message is false. We've never had any problems with NirSoft's freeware. Unlike many modern Windows programs, they don't even contain adware.
The "Network Name" column shows the name of the Wi-Fi network, or its SSID.
To find the password associated with a network, see the "Ascii" column in the network name you are interested in. This will be the password you need to enter to connect to the network.
To back up this information, you can select File> Save All Items. You will have a text file containing all this information.
Use the command line
The typical one checklist of Windows 10 lets you see only the password of the Wi-Fi network you're currently connected to.
If you do not want to download third-party software, you can use command line tools to discover this information.
To find a Windows password without third-party software, open a command prompt or PowerShell. To do this, right-click the Start button or press Windows + X, and then click PowerShell.
Run the following command to see the list of saved network profiles on your system:
netsh wlan show profiles
Search for the name of the network you are interested in and run the following command, replacing "NETWORK" with the name of this network:
netsh wlan show profile name="NETWORK" key= clear
In the section "Security Settings" - "Key Content" you will see the Wi-Fi network password in plain text.
Repeat this process for each Wi-Fi network for which you want to find the password.