When you claim your free upgrade to Windows 10, the operating system pulls a nasty trick that could confuse non-techies that don’t know how to go digging around in system settings. The express installation option—a.k.a. the one non-technical users will choose—automatically sets your default browser to Microsoft’s new Edge, even if you defaulted to Chrome, Firefox, Opera, or another web browser in Windows 7 or 8.

Simply put, the way Windows 10 upgrades handle browser settings don’t respect the previous choices you’ve made, which has prompted vocal objections from the CEOs of Firefox and Vivaldi.

Change Windows 10's Default Browser To Anything You Want
Change Windows 10’s Default Browser To Anything You Want

Source: How to change Windows 10’s default web browser to Chrome, Firefox, or Opera | PCWorld