How to verify an email address in your Microsoft account
When you sign up for a Microsoft account or add an email address to your account, we automatically send a request to that email for you to verify that we have the right address. To finish the process, just follow the verification link in the email.
Applies To: Microsoft account dashboard
Wi-Fi network not secure in Windows - Microsoft Support
To fix this issue, do one or more of the following: If there’s another Wi-Fi network that’s in range that you recognize and trust, disconnect from your current Wi-Fi network, then connect to the other one. For more info, see Connect to a Wi-Fi network in Windows.