Career & Skill Advice for a Game Design Student?

Hey there, GoktugGocer​ 

Microsoft Learn has some great resources to use to learn how to program. You can access these here: Browse all training - Training | Microsoft Learn

There is an application development modules you can access here: Browse all training - Training | Microsoft Learn

For game development, you can access Epic Games and Unity who have training content on how to game develop using their resources. Your university/college should have some resources for you about careers. For careers at Microsoft, you may want to keep an eye open on their careers page here for internships: Early in profession | Microsoft Careers

Hope this helps, 
Nathan