If you tell Windows to forget the network, then it also forgets the password. It works because Windows 8 and 10 create a profile of every Wi-Fi network to which you connect. In other words, it only works if you've forgotten a previously used password. This trick works to recover a Wi-Fi network password (AKA network security key) only if you've previously attached to the Wi-Fi in question using that very password. Some require such extreme patience that the café idea, even in quarantine, is going to look pretty good. However, there are other ways to get back on the wireless. Download an app for your phone like WiFi-Map (available for iOS and Android), and you'll have a list of millions of hotspots with free Wi-Fi for the taking (including some passwords for locked Wi-Fi connections if they're shared by any of the app's users). Pre COVID-19, you could just go to a café, buy a latte, and use the 'free' Wi-Fi there (vaccines willing, maybe you'll do it again soon). Perhaps you forgot the password on your own network, or don't have neighbors willing to share the Wi-Fi goodness.

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