As far as I know, Microsoft does not allow external installs into Edge or Internet Explorer
If you want to use the latest Flash Player, you will have to use a non-Microsoft browser
Or, contact Microsoft about problems with Edge or Internet Explorer
Search bar at the top of http://www.microsoft.com/en-us/default.aspx for ALL Windows help
If you're using Internet Explorer or Edge, Microsoft embeds Flash Player in those browsers and there's no separate installer. Most likely Flash is disabled in the browser and you need to enable it, usually on a per-site basis. See the following for assistance:
If you're referring to a different browser, please provide the browser and version.