# How to Author the State Machine
A detailed explanation of controls and interface functions is described in the section [State Machine Builder User Interface](https://docs.google.com/document/d/1-o5qSv4zTkzj7YSmRTkV4zezFq7lwU00FyTy0kw1l1U/edit#bookmark=id.6vu41emx3478).
1. Launch “HyperSkill-Desktop.exe”
2. Log in to your account and select “Simulations” from the home screen
3. Select a simulation from the list and click on the pencil icon  to open it in edit mode
4. Click on the State Machine tab  to open the State Machine creation UI
5. Layout your state changes as desired to utilize the functions outlined in the State Machine Builder User Interface.
6. When in experience mode the state machine will start from the entry node which is determined by the Entry Node Dropdown. Anything in the Always Running State is being checked at all transitions.
7. State machine nodes can affect any attribute, but can only have one trigger to act as a transition. There is no limit to the conditions. States execute along the path of the transitions.
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