Before you uninstall Valorant, ensure you have closed Valorant, vanguard, and Riot client completely. You can close the Valorant game completely from the Task Manager. To do so, go to the Task Manager ...
Uninstall Copilot in Settings > Apps, or run PowerShell to remove it for all users and from provisioned packages. Disable Copilot from Startup (Task Manager) and in Edge via Settings > Appearance > ...
I can't believe I'm typing this, but when you uninstall an app on Windows, it doesn't actually, umm, uninstall it. At least not completely. Even after removing an app on Windows, it will leave behind ...