What is a one-sentence summary of the following article?
Click the Apple logo in the top-left corner of the screen. A drop-down menu will appear. It's in the drop-down menu. You'll find this option in the System Preferences window. Clicking it opens a new window. Click your current Wi-Fi connection in the left-hand sidebar. It's at the bottom of the window. Doing so will open yet another window. This tab is at the top of the window. It's in the bottom-left corner of the window. Do one of the following depending on whether you'd rather use OpenDNS or Google servers:   Google — Type 8.8.8.8 and press ⏎ Return.  OpenDNS — Type 208.67.222.222 and press ⏎ Return. Again, do one of the following depending on the address you initially chose:   Google — Type 8.8.4.4 and press ⏎ Return.  OpenDNS — Type 208.67.220.220 and press ⏎ Return. It's at the bottom of the window. This will save your DNS settings. This option is at the bottom of the window. Doing so applies your DNS settings to your network.

Summary:
Open the Apple menu . Click System Preferences…. Click Network. Select your connection. Click Advanced…. Click the DNS. Click ＋. Enter a primary DNS address. Click ＋ again, then enter a secondary DNS address. Click OK. Click Apply.