This feature is available to customers with Small Business or Enterprise licenses.
Once the SW Model is developed and is proven to work in the local environment you can publish it (upload it) to the TestResults.io portal. This way you will be able to execute multiple test cases using the same SW Model version. For more details regarding how to work with the SW Versions in the portal refer to chapter SW & Environments in the User's Guide.
In order to publish the SW model created in the Designer to the Portal the following points need to be met: