Renwiz Installation Renwiz installation creates the folder, icon, shortcut etc automatically as well as an automatic Uninstall procedure. Download and double click on the file to start the setup process. Where Zip archive is indicated, download and install from within WinZip/WinRar or extract the installation file and then install by double clicking on the executable. Best site to use is always Simtel. If you have problems with the download link, try one of the other mirror sites (sorry, some of them open other windows to get to the download link):