You can download Firefox from the Mozilla homepage: * http://www.mozilla.org * http://www.mozilla.org/firefox/system-requirements/ You can download Microsoft Silverlight below. The following link also has the system requirements. * http://www.microsoft.com/getsilverlight System requirements for Netflix: * https://support.netflix.com/en/node/6597 ---- I should note that there's something strange about your user agent string. It's reporting that you're using [https://en.wikipedia.org/wiki/Windows_NT_4.0 Windows NT 4.0], which doesn't seem possible. You can see your user agent string by clicking Question Details to the right side of your post, then More System Details. The user agent string is something that all browsers send to all sites you visit.