1. Understanding the Project’s Concept:
Start with the investigation of the business.
2. Brainstorming & Sketching:
Sketch your ideas and make interface into reality.
3. User Flow Diagram:
Understand the logic of the product and every possible interaction with the UI.
4. Structure and Flow Validation:
Check the structure and flow and make changes to the interface at this stage.
5. Choose the Style of the Interface:
Choose the interface style. That can be minimalist, material design, skeuomorphism, metro interface etc.
6. Style Validation:
Make a presentation of versions of the design.