

Click on the 'Environment Variables' button. Browse to 'Start->Control Panel->System Properties'.Load 'Start->All Programs->ModelSim X.Yz->Licensing Wizard'.A License Wizard may then start automatically. When asked by the installation window if you need to install a new license, click 'No'.To check that Altera has created the libraries that you need to support the version of ModelSim that you are installing, check here:

Therefore, it is in your best interest to store old versions of ModelSim. By that time, the version of ModelSim they are compatible with is usually no longer available from the ModelSim website. Note: Altera takes some time to issue libraries that are compatible with the latest version of ModelSim. Download the latest version of ModelSim SE here:, and store the downloaded files here.
