Solicited by a recruiter to apply. I applied and was scheduled a phone interview which lasted for an hour. The person I interviewed with was very nice and made me feel at ease about applying. He went over my resume, many Windows related questions. I had used Glassdoor to prepare.

They ask a lot of technical trivia questions that have nothing to do with the job. They like hearing stories about how you raised the bar and/or made your prior job better. Be familiar with the STAR method.