Schneider Electric often provides a "Trial" or "Demo" version of the software. This allows you to test the interface and simulator for a limited period (usually 21 days). To get this, you must register a professional account on their website. Technical Specifications & System Requirements
Unity Pro 13.1 offers stable, mature support for: Unity Pro 13.1 Download
Note: Licensing for Unity Pro requires a paid subscription or perpetual license. If you don’t see the Pro option in Hub, check your Unity account entitlements or contact your sales/admin. Schneider Electric often provides a "Trial" or "Demo"