Instructions for downloading the Rotameter and RotaMASS sizing program Please insure that you have Microsift Framework 1.1 If you need to download this file, please download it from this location: http://www.microsoft.com/downloads/details.aspx?FamilyId=262D25E3-F589-4842-8157-034D1E7CF3A3&displaylang=en (Note: You can copy the link above and place it in your web browser to access the page) Once Microsoft Framework has been loaded, please click on the "All Downloads" link located on the left hand bar of this webpage Then click on the "Software Downloads" link Now click on the BLUE "HTTP" link for Rotameter/RotaMASS Sizing program (Note: this is a ZIP file and it is recommended that you unzip the file with WINZIP) Once the file has been downloaded and unzipped, please run the setup file and follow the on screen instructions.