How to Disable First Run Experience in Microsoft Edge Chromium
Microsoft is now using the Chromium open source project for building their Edge browser. The Chromium version of Edge no longer uses EdgeHTML but Google's Blink engine as standard, which will work with Chrome extensions, a similar browsing experience to Chrome and a familiar look. Microsoft Edge now includes a browser policy, HideFirstRunExperience, to disable the First-run experience, including the splash screen, so it won't be shown when the user runs Microsoft Edge Chromium for the first time.
