If the new version is a minor update (e.g. version 2.0.x.x), it will automatically replace the old version. After installation you can run the new version immediately. No new license is required. If the new version is a major upgrade ( e.g. version 2.1.
|Title||:||20-sim 4C 2.0 Reference Manual|
|Publisher||:||Getting Started with 20-sim -|