If you have set Google Chrome as your default browser and you want to stop it and change another browser as your default, please see the steps below:
Step 1: Click the "Start" button from the left-bottom corner, and click the "Settings" icon;
Step 2: From the Windows Settings list, select "Apps";
Step 3: In the new window, click "Default apps" from the menu on the left;
Step 4: Move down to the "Web browser" section at the bottom;
Step 5: Click on "Google Chrome" and select one browser from the list (e.g., Internet Explorer).