One of the important Musee d’Orsay tips to avoid crowds is to visit the museum early in the morning. Visit right when the museum opens or later in the afternoon, ideally during weekdays. Tuesdays, Wednesdays, and Thursdays generally see fewer visitors compared to weekends. Additionally, avoid visiting during school holidays and major public holidays when the museum tends to be busiest. Also, checking the museum's schedule for quieter times can enhance your experience.