1. PhotometricViewer from our web site and save the Zip archive to a temporary directory on your hard drive.
2. Use WinZip to decompress Setup.zip to a temporary directory on your hard drive.
3. Using Windows Explorer, browse to the temporary directory where you unzipped the files. Double-click the file Setup.exe and follow the on-screen instructions. It is required that you first 'Uninstall' any existing version of the Photometric Viewer you may already have on your system.