Download and Installation Instructions for ETCEdit 1. Click on "Download Disk #1" and save the file "editmast.exe" to your system. 2. Place the file in a directory that will allow it to expand the installation files. 3. Run "editmast.exe" to allow the installation files to expand. 4. Run "install.exe" and follow the instructions. When the installation asks for the next disk in the set, press or to continue. If you have any problems, please call ETC Technical Services at 800/775-4382.