If you follow the accompanying description, you can actually go wrong. However, it has commissioned two days to complete, to the product code in the email was mailbox. I see this also not critical because the uploaded certificate is personally checked the eligibility of an Adobe employee.
For software, I can only say that I find this very good. The vast majority of tasks in image processing can thus be carried out quickly. The operation is intuitive and the first results are not long in coming.
If you naturally want to know all the functions, shortcuts, etc., then you should definitely lead a book to Lightroom to heart or watch one of the many instructional videos on youtube.