Step 1: Clone a version 1. Select the version you want to clone (1u12345678) then select Clone from the toolbar. 2. In the Clone version dialog box, type a name for the new version. Type 1.0 Step 2: Set active version Select a version from the list, then select Activate from the toolbar. Reference: https://docs.microsoft.com/en-us/azure/cognitive-services/luis/luis-how-to-manage-versions