Can you extend your university studies in Germany, and how does that affect your visa?

Your bachelor's or master's degree studies in Germany, especially in STEM fields, might take longer than expected. International students can usually extend their student residence permits as long as they show regular academic progress. However, extensions aren't automatic, and you might need to provide proof of your academic standing. It's important to verify the specific time limits and conditions for your situation directly with the immigration office (Ausländerbehörde).