Usually valid for 14 or 21 days. This is intended for testing and evaluation purposes.

The most common for Professional users. This allows you to install the software on multiple machines, but it can only be used by one person at a time. The license can be moved between PCs via a USB stick or a network server.

This utility is installed automatically with STEP 7.

Ensure the "Automation License Manager Service" is running in your Windows Services menu.