What’s the best way to start learning C# after knowing C?

Try building complete projects rather than relying only on isolated code snippets. Understanding how a C# project is structured will make it easier to create maintainable applications, and it can prevent confusion when newer shortcuts such as top-level statements hide some of the usual setup.

C# introduces object-oriented programming, so spend time learning encapsulation, abstraction, inheritance, and polymorphism. The syntax may feel familiar because of C, but organizing programs around classes and objects requires a different way of thinking.

Microsoft’s official C# and .NET documentation is a strong reference and includes learning material and examples. Learn the core language syntax first, then gradually explore larger .NET libraries, design patterns, and best practices so you don’t get overwhelmed.

Use a similar progression to what worked for you with C: start with a small “Hello, World!” program, then learn variables and types, functions, arithmetic, loops, and if/else statements. Build tiny programs as you go instead of only reading tutorials.