D-Link DIR-516 User Manual page 60

Section 3 - Connecting a Wireless Client
7. The following window appears while the router is being
configured.
Wait for the configuration to complete.
8. The following window informs you that WPS on the router has
been setup successfully.
Make a note of the security key as you may need to provide this
security key if adding an older wireless device to the network
in the future.
9. Click Close to complete WPS setup.
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