INS - Internet Settings File is an extension file that can be used by Windows operating systems when it comes to setting up different things for broadband internet connections. You can use this file for enabling Windows when you really need to. There are also different IE connection settings that can be used right along with this file extension. There happens to be a security precaution that is linked to INS files being block by Internet Explorer. You will need to make sure that you apply settings within the IE so you can apply the connection settings. If not, you will not be able to successfully use this file as supported with the extension. It is really worth using. You will have access to this extension online as well.