D-Link DIR-505L User Manual page 156

Section 4 - Security
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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