Microsoft Student Software Developer interview questions

Submitting CV, offline code test via codlity, short HR interview (via Microsoft Teams, about 20 minutes or so), afterwards 2-3 in office interview, some technical and some HR, I didn't pass the first HR but this is the process that the HR described and it's the same process friends of mine that did got the job want through.

Two questions in Kodility and an interview with HR she asked me about the courses i took what is multithreading she asked me why i want to work at microsft