That software is available now free. Microsoft will send you an email telling you, "You can download the software now." You will just click the link and either the software will download or it will take you to their webpage to download the software.
I have a sore throat at the moment. I awoke with a sore throat and I immediately gargled with salt water. I will do that again at 4 am. That has to get under control immediately. I did take the antibiotic they proscribed and I will take it in a minute. My body knows how to deal with this problem and it will now.