In order to upgrade your Tritton USB 2.0 VGA adapter, first of all you need to uninstall the version that you have already installed on your computer. Go to Control Panel > Uninstall a program > search Tritton USB VGA adapter and hit uninstall. Next, go to Google Search and click on a link to redirect you to a download page. After the download is ready, open the setup file and start the installation process.