HOW TO CHANGE YOUR SEARCH ENGINE ON GOOGLE CHROME!.
Step 1.
Click the three-dot menu icon at the top right of the Chrome window and choose "Settings."
Step 2.
On Chrome's Settings page, click "Search engine" at the left side of the page.
click the dropdown menu of "Search engine used in the address bar." & Click "DuckDuckGo." or yahoo!!.
Thank You