Prerequisite: Your data must be loaded and your first Process and Analyze job completed before you begin creating Segments.
Step 1. When you login, you will land on My Data. Here, you can begin to freely explore and build queries.
Step 2. Click on interesting cohort properties in My Data
Step 3. Go to Query Builder to add operators and change selected Attribute values.
Step 4. Drag and drop cohorts to the best place in your query