Requirements:

• Set Google Chrome as your default browser in Windows 10:
  1. Press the Start button and type “default app settings“
  2. Scroll down the list until you reach Web browser
  3. Click on the current browser icon and select Google Chrome from the list
• Make sure you have Search online and include search results turned on:
  1. Press the Start button and type “search settings“
  2. Cortana should be appeared in the Start Menu, ignore it and click the gear icon on the left
  3. Turn on “Search online and include search results”

Steps:

The only thing you need to do is to download and install Bing2Google Chrome extension. Now if you perform a search on Windows 10 Start Menu the results will be shown on Google Chrome using Google as search engine.