I accidentally deleted my down load manager when previously uninstalling Inventor 2014. Non of my drawings can be opened at school because they have the 2012 version, so my work at home is useless! When trying to install 2012 Inventor Professional, it fails. I would like to use the download manager, but the browser download option is the only one given to me ( there is no drop down menu for me to select download). What can I do? I reaaly need this program to do homework outside of school. Any help would be much appreciated. Thanks!