"[How to Build a Startup](https://www.udacity.com/course/how-to-build-a-startup--ep245)" is a free online course offered by Udacity, designed to teach aspiring entrepreneurs the fundamentals of starting a business. The course is based on the Lean Startup methodology and is taught by Steve Blank, a well-known entrepreneur and educator in the startup community. The course covers various aspects of launching a startup, including: 1. **Customer Discovery**: Understanding your customers' needs and validating your business idea. 2. **Value Proposition**: Defining what makes your product or service unique and valuable to customers. 3. **Business Model Canvas**: Using this strategic management tool to outline and develop your business model. 4. **Customer Segments**: Identifying and understanding different groups of potential customers. 5. **Channels**: Determining how you will deliver your product or service to customers. 6. **Revenue Streams**: Exploring ways to generate income from your business idea. 7. **Key Resources and Activities**: Identifying essential resources and activities needed to operate your business. The course is structured with video lectures, quizzes, and assignments that provide practical insights into building a successful startup. It's suitable for anyone interested in entrepreneurship, whether they are new to the field or looking to refine their skills.