Internet Explorer - Change the default search engine
To change the default search engine of Internet explorer, follow the below procedure:
Download and install new search providers
Open IE, click on Options > Manage Add-ons > Search Providers, then click on the "Find more search providers" link. The "Internet Explorer Gallery" shall open:
Select the desired search engine and click on "Add to Internet Explorer":
The search engine will be installed.
To change search engine:
Click on the arrow in the searchbar at the top right and make your selection: