Here are the key steps to develop a user profile:
1. Define the target user(s) - Who are you designing for? Be as specific as possible in describing the user(s).
2. Gather research - Collect information on your users through methods like surveys, interviews, observations. Learn about their demographics, skills, goals, pain points.
3. Define goals and tasks - What are the tasks the user needs to accomplish? What are their goals when using the product/service?
4. Identify attitudes - What are the user's attitudes towards technology, the domain, privacy, security etc.
5. Specify capabilities - What are the user's technical skills? Language abilities? Physical/