Visit the Institute of Academic Development (IAD) website for lots of information. Meantime, here are some links that might help you:
These links are a selection of what is available to you as a postgraduate student at the University of Edinburgh. You may find it difficult to attend language skills events due to clashes with your timetable. If so, please do let me know. I’m happy to see you on a 1-to-1 basis to offer advice on any writing-based assignments.