Redirect Cortana web searches from Bing to Google.
Windows 10's Cortana provides a great way to quickly launch a web search
won't natively redirect your Cortana searches
you will have to use a third-party extension Download Chrometana here
you’ve installed Chrometana from the Chrome Web Store, type
the address bar.
Scroll down until you see Chrometana and click Options.
A new page will open, allowing you to choose
Google, DuckDuckGo, or Yahoo as your preferred search engine for Cortana.
Click the search engine of your choice
close the tab,
then do a search via Cortana.
The results will open up in Google Chrome instead of Bing