To change the default browser just follow these steps:
Step 1: Click on Start button and then click on settings.
Step 2: Then click on system.
Step 3: Now on the left-hand side you will see, Default apps click on it.
Step 4: On the right-hand side select web browser.
Step 5: Choose the browser you want to make default.
These are the steps to Change the Default Browser in Windows 10. Hope this will help you.