You’re installing the .deb you need the .rpm one
Import the key
sudo rpm --import https://packages.microsoft.com/keys/microsoft.asc
Add the repo
- for DNF4
sudo dnf config-manager --add-repo https://packages.microsoft.com/yumrepos/edge
- For DN5 → Fedora 41 and beyond
sudo dnf config-manager addrepo --from-repofile='https://packages.microsoft.com/yumrepos/edge/config.repo'
Refresh meta cache
sudo dnf update --refresh
Install Software
sudo dnf install microsoft-edge-stable
Regards.,