To set up a ModelSim project with the ModelSim interface If you have not already done so set up the ModelSim working environment. Start the ModelSim software. To specify the project directory: On the File menu, click Change Directory. In the Choose a Directory dialog box, type the path to the project directory in the Directory Name box.or In the Look in list, select the project directory. Click Open. To create a new work library: On the File menu, point to New and click Library. The Create a New Library dialog box appears. Under Create, click a new library and a logical mapping to it. In the Library Name box, type the library name. In the Library Maps to list, select the work library. Note: When you run the ModelSim software independently from the Quartus® Prime software, you should name your library work. Related informationSetting Up the ModelSim Working Environment Simulation Settings