Installing ERTdesign ===================== To install ERTdesign run the *ERTdesign_setup.exe* file, choose the language for the installation steps and follow the instructions. The software is installed in the default directory **C:\\ERTdesign**: this allows the user to work without the need to activate *administrator* permissions. At the end of the installation, run the ERTdesign exe: a shortcut with the software icon has been added to the desktop. .. note:: **You need a valid license to work with ERTdesign**. To get a valid ERTdesign license send the **ertdesign_id.txt** file, generated at first run and stored under the **license** directory of the installation folder, at ertdesign@fischanger.it. You will receive back an **ertdesign_lic.txt** file to be copied into the same directory above, as shown in :numref:`license`. .. _license: .. figure:: license_folder.png :scale: 100% :alt: Folder with user license files. :align: center Folder with user license files.