D-Link DIR-615 User Manual page 80

Section 11 - Connecting to an Unsecured Wireless Network
3. Right-click the Wireless Network Connection entry and then select
Connect/Disconnect from the drop-down menu.
4. Select a network to connect to in the Select a network to connect
to window in the Connect to a network wizard and then click the
Connect button.
5. Confirm your desire to connect anyway on the following Network
Connection Status window.
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