Create you form with the questions required and select the question that you would like to add Conditional Logic to. Click on 'Logic'.
Click on the edit wand next to 'Visible If'
Click on 'Select' and select the Question you want to create a condition for.
Click on 'Equals' to select the Condition type from the list.
Once your Condition type is selected, pick your answer from the question.
If wanted, add a second Condition by click on 'Add Condition' and follow the same steps to add another condition to your logic.
Once you have created all of the Conditions click on 'Apply'.
The logic will be Visible in the details on the right side of the page.
All logic that is set up can also be tested through the 'Preview' tab.