There are two ways to push your experiences to your installations.
1. The official way is to go to your Journey page and create a new journey, assign it to the appropriate installation and then add the experiences one by one. You can set the amount of time, in seconds, you'd like each experiences to run before transitioning to the next experience in the journey. You can also use the same experience multiple times in the same journey.
2. While customizing an experience, you can prototype an experience to continually see the changes you're making without having to push the experience. Simply click Protoype to choose which installation you would like to use. As you make changes and save them they will automatically take affect