In one sentence, describe what the following article is about:

This opens the Chrome web store. This method will work for Windows and macOS. It’s at the top-left corner of the store.  It’s at the top-right corner of the window. A confirmation message will appear. In a few moments, Ultrasurf will be installed in your web browser. A new icon will appear in the icon bar near the top-right corner of Chrome. It’s the globe icon with a ring around it and an overlapping sailboat. If you see the word “Connected,” just click anywhere else on the page to close the extension. Otherwise, slide the switch to the On position. Now that the extension is enabled, your web traffic will go through Ultrasurf instead of the regular network proxy.

Summary:
Go to https://chrome.google.com/webstore in Google Chrome. Type ultrasurf into the search bar and press ↵ Enter or ⏎ Return. Click UltraSurf Security, Privacy & Unblock VPN. Click + Add to Chrome. Click Add extension. Click the Ultrasurf icon. Enable the extension.